12911787

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{659}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 21415680

約数和(自身を除く): 8503893

約数列:

[1, 3, 7, 9, 21, 63, 311, 659, 933, 1977, 2177, 2799, 4613, 5931, 6531, 13839, 19593, 41517, 204949, 614847, 1434643, 1844541, 4303929, 12911787]

約数ペア:

[(1, 12911787), (3, 4303929), (7, 1844541), (9, 1434643), (21, 614847), (63, 204949), (311, 41517), (659, 19593), (933, 13839), (1977, 6531), (2177, 5931), (2799, 4613)]