12644457

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 20570112

約数和(自身を除く): 7925655

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 557, 987, 1081, 1671, 3243, 3899, 7567, 11697, 12811, 22701, 26179, 38433, 78537, 89677, 183253, 269031, 549759, 602117, 1806351, 4214819, 12644457]

約数ペア:

[(1, 12644457), (3, 4214819), (7, 1806351), (21, 602117), (23, 549759), (47, 269031), (69, 183253), (141, 89677), (161, 78537), (329, 38433), (483, 26179), (557, 22701), (987, 12811), (1081, 11697), (1671, 7567), (3243, 3899)]