785148

Appears in sequences

• Smaller of unitary amicable pair.at n=17A002952
• Mean divisor of n differs by <= 1 from mean divisor of all numbers from 1 to n-1.at n=40A049010
• Unitary amicable numbers.at n=33A063991
• Sum of divisors of Motzkin number A001006(n).at n=15A152981
• Lesser of modified exponential amicable pairs.at n=30A323758
• a(n) is the smallest member of the n-th purely periodic unitary sigma aliquot cycle listed in A336216.at n=31A336219