573560

Appears in sequences

• The smaller of a betrothed pair.at n=15A003502
• Betrothed (or quasi-amicable) numbers.at n=30A005276
• Smaller element of a reduced infinitary amicable pair.at n=2A126172
• Lesser of reduced bi-unitary amicable pair.at n=4A306870
• Quasi-amicable pairs.at n=30A328370