42201891

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{3803}}^1$

素因数の和:3952

約数の個数: 20

約数和(自身を含む): 63519192

約数和(自身を除く): 21317301

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 3803, 11097, 11409, 34227, 102681, 308043, 521011, 1563033, 4689099, 14067297, 42201891]

約数ペア:

[(1, 42201891), (3, 14067297), (9, 4689099), (27, 1563033), (81, 521011), (137, 308043), (411, 102681), (1233, 34227), (3699, 11409), (3803, 11097)]