81589665

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{39703}}^1$

素因数の和:39848

約数の個数: 16

約数和(自身を含む): 131499648

約数和(自身を除く): 49909983

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 39703, 119109, 198515, 595545, 5439311, 16317933, 27196555, 81589665]

約数ペア:

[(1, 81589665), (3, 27196555), (5, 16317933), (15, 5439311), (137, 595545), (411, 198515), (685, 119109), (2055, 39703)]