399069

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 655200

約数和(自身を除く): 256131

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 139, 261, 319, 417, 957, 1251, 1529, 2871, 4031, 4587, 12093, 13761, 36279, 44341, 133023, 399069]

約数ペア:

[(1, 399069), (3, 133023), (9, 44341), (11, 36279), (29, 13761), (33, 12093), (87, 4587), (99, 4031), (139, 2871), (261, 1529), (319, 1251), (417, 957)]