399777723

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{769}}^1\times {\mathrm{1229}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 590990400

約数和(自身を除く): 191212677

約数列:

[1, 3, 9, 47, 141, 423, 769, 1229, 2307, 3687, 6921, 11061, 36143, 57763, 108429, 173289, 325287, 519867, 945101, 2835303, 8505909, 44419747, 133259241, 399777723]

約数ペア:

[(1, 399777723), (3, 133259241), (9, 44419747), (47, 8505909), (141, 2835303), (423, 945101), (769, 519867), (1229, 325287), (2307, 173289), (3687, 108429), (6921, 57763), (11061, 36143)]