31640661

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7309}}^1$

素因数の和:7365

約数の個数: 24

約数和(自身を含む): 50555960

約数和(自身を除く): 18915299

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 7309, 21927, 65781, 95017, 270433, 285051, 811299, 855153, 2433897, 3515629, 10546887, 31640661]

約数ペア:

[(1, 31640661), (3, 10546887), (9, 3515629), (13, 2433897), (37, 855153), (39, 811299), (111, 285051), (117, 270433), (333, 95017), (481, 65781), (1443, 21927), (4329, 7309)]