79508

Appears in sequences

• Numerator of sum of -3rd powers of divisors of n.at n=42A017669
• Sum of cubes of unitary divisors of n.at n=42A034677
• a(n) = sigma_3(2*n+1).at n=21A045823
• Sum of cubes of odd divisors of n.at n=42A051000
• a(n) = sigma_3(3n+1).at n=14A092342
• Numbers k such that lcm(1,2,3,...,k)/17 equals the denominator of the k-th harmonic number H(k).at n=18A112820
• Triangle g(n,m) by rows: the number of m-compositions of Carlitz type of n without zero rows.at n=32A275080
• Triangle read by rows: T(n,k) (1 <= k <= n) = number of ways to choose three points from an n X k grid of points which are the vertices of a triangle of nonzero area.at n=52A334705
• Image of n under the x^3+1 map, which is a variation of the 3x+1 (Collatz) map.at n=43A336911
• Sum of the cubes of the squarefree divisors of n.at n=42A351266
• a(1) = 2, a(n) = k + 1, where k is the least number greater than a(n-1) such that rad(k) | a(n-1), where rad(n) = A007947(n).at n=11A365324
• The sum of unitary divisors of the smallest cubefull number that is a multiple of n.at n=42A369721
• The sum of unitary divisors of the smallest cubefull exponentially odd number that is divisible by n.at n=42A369759
• The sum of the unitary divisors of the smallest cube divisible by n.at n=42A390665