12118905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6263}}^1$

素因数の和:6317

約数の個数: 24

約数和(自身を含む): 21498048

約数和(自身を除く): 9379143

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6263, 18789, 31315, 56367, 93945, 269309, 281835, 807927, 1346545, 2423781, 4039635, 12118905]

約数ペア:

[(1, 12118905), (3, 4039635), (5, 2423781), (9, 1346545), (15, 807927), (43, 281835), (45, 269309), (129, 93945), (215, 56367), (387, 31315), (645, 18789), (1935, 6263)]