117273

Appears in sequences

• Odd numbers m such that sigma(x) = m has more than 1 solution.at n=31A300869
• Least positive integer m relatively prime to n such that sigma(m*n) is a fourth power, where sigma(k) is the sum of the divisors of k.at n=27A334353
• Square array, read by rows. For n,d >= 0, a(n,d) is the number of congruences of the d-twisted partition monoid of degree n.at n=61A340914