91988481

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2965

約数の個数: 32

約数和(自身を含む): 142320640

約数和(自身を除く): 50332159

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 1677, 2451, 2887, 8661, 10621, 31863, 37531, 54853, 112593, 124141, 164559, 372423, 713089, 1613833, 2139267, 2358679, 4841499, 7076037, 30662827, 91988481]

約数ペア:

[(1, 91988481), (3, 30662827), (13, 7076037), (19, 4841499), (39, 2358679), (43, 2139267), (57, 1613833), (129, 713089), (247, 372423), (559, 164559), (741, 124141), (817, 112593), (1677, 54853), (2451, 37531), (2887, 31863), (8661, 10621)]