78125859

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 134717440

約数和(自身を除く): 56591581

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 109, 217, 279, 327, 367, 651, 763, 981, 1101, 1953, 2289, 2569, 3303, 3379, 6867, 7707, 10137, 11377, 23121, 23653, 30411, 34131, 40003, 70959, 79639, 102393, 120009, 212877, 238917, 280021, 360027, 716751, 840063, 1240093, 2520189, 3720279, 8680651, 11160837, 26041953, 78125859]

約数ペア:

[(1, 78125859), (3, 26041953), (7, 11160837), (9, 8680651), (21, 3720279), (31, 2520189), (63, 1240093), (93, 840063), (109, 716751), (217, 360027), (279, 280021), (327, 238917), (367, 212877), (651, 120009), (763, 102393), (981, 79639), (1101, 70959), (1953, 40003), (2289, 34131), (2569, 30411), (3303, 23653), (3379, 23121), (6867, 11377), (7707, 10137)]