208158717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2129}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 314899200

約数和(自身を除く): 106740483

約数列:

[1, 3, 13, 23, 39, 69, 109, 299, 327, 897, 1417, 2129, 2507, 4251, 6387, 7521, 27677, 32591, 48967, 83031, 97773, 146901, 232061, 636571, 696183, 1909713, 3016793, 5337403, 9050379, 16012209, 69386239, 208158717]

約数ペア:

[(1, 208158717), (3, 69386239), (13, 16012209), (23, 9050379), (39, 5337403), (69, 3016793), (109, 1909713), (299, 696183), (327, 636571), (897, 232061), (1417, 146901), (2129, 97773), (2507, 83031), (4251, 48967), (6387, 32591), (7521, 27677)]