78161025

素因数分解:

$3^1\times 5^2\times {\mathrm{557}}^1\times {\mathrm{1871}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 129527424

約数和(自身を除く): 51366399

約数列:

[1, 3, 5, 15, 25, 75, 557, 1671, 1871, 2785, 5613, 8355, 9355, 13925, 28065, 41775, 46775, 140325, 1042147, 3126441, 5210735, 15632205, 26053675, 78161025]

約数ペア:

[(1, 78161025), (3, 26053675), (5, 15632205), (15, 5210735), (25, 3126441), (75, 1042147), (557, 140325), (1671, 46775), (1871, 41775), (2785, 28065), (5613, 13925), (8355, 9355)]