31031889

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10631}}^1$

素因数の和:10780

約数の個数: 16

約数和(自身を含む): 47631360

約数和(自身を除く): 16599471

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 10631, 31893, 74417, 223251, 1477709, 4433127, 10343963, 31031889]

約数ペア:

[(1, 31031889), (3, 10343963), (7, 4433127), (21, 1477709), (139, 223251), (417, 74417), (973, 31893), (2919, 10631)]