31080063

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12437}}^1$

素因数の和:12471

約数の個数: 24

約数和(自身を含む): 51045552

約数和(自身を除く): 19965489

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 12437, 37311, 87059, 211429, 261177, 609413, 634287, 1480003, 1828239, 4440009, 10360021, 31080063]

約数ペア:

[(1, 31080063), (3, 10360021), (7, 4440009), (17, 1828239), (21, 1480003), (49, 634287), (51, 609413), (119, 261177), (147, 211429), (357, 87059), (833, 37311), (2499, 12437)]