12668643

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 20856528

約数和(自身を除く): 8187885

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 227, 351, 477, 681, 689, 1053, 1431, 2043, 2067, 2951, 4293, 6129, 6201, 8853, 12031, 18387, 18603, 26559, 36093, 55809, 79677, 108279, 156403, 239031, 324837, 469209, 974511, 1407627, 4222881, 12668643]

約数ペア:

[(1, 12668643), (3, 4222881), (9, 1407627), (13, 974511), (27, 469209), (39, 324837), (53, 239031), (81, 156403), (117, 108279), (159, 79677), (227, 55809), (351, 36093), (477, 26559), (681, 18603), (689, 18387), (1053, 12031), (1431, 8853), (2043, 6201), (2067, 6129), (2951, 4293)]