591030

Appears in sequences

• Smaller of unitary amicable pair.at n=14A002952
• Unitary amicable numbers.at n=28A063991
• a(n) = smallest m such that A308190(m) = n, or -1 if no such m exists.at n=30A308191
• Indices of records in A308190.at n=22A308193
• a(n) is the smallest member of the n-th purely periodic unitary sigma aliquot cycle listed in A336216.at n=26A336219