395730

Appears in sequences

• Unitary-sociable numbers (smallest member of each cycle).at n=6A000173
• Irregular triangle with 4 columns which contains in each row the members of a 4-cycle under the map x->A063919(x), iteration of summing the proper-unitary divisors.at n=4A098188
• Unitary sociable numbers of order 4.at n=4A319902
• a(n) is the smallest member of the n-th purely periodic unitary sigma aliquot cycle listed in A336216.at n=23A336219