31061331

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2153}}^1$

素因数の和:2395

約数の個数: 24

約数和(自身を含む): 51523680

約数和(自身を除く): 20462349

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 2153, 4809, 6459, 14427, 15071, 19377, 45213, 135639, 493037, 1479111, 3451259, 4437333, 10353777, 31061331]

約数ペア:

[(1, 31061331), (3, 10353777), (7, 4437333), (9, 3451259), (21, 1479111), (63, 493037), (229, 135639), (687, 45213), (1603, 19377), (2061, 15071), (2153, 14427), (4809, 6459)]