25141851

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 43179552

約数和(自身を除く): 18037701

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1213, 2303, 2961, 3639, 6909, 8491, 10917, 20727, 25473, 57011, 59437, 76419, 171033, 178311, 399077, 513099, 534933, 1197231, 2793539, 3591693, 8380617, 25141851]

約数ペア:

[(1, 25141851), (3, 8380617), (7, 3591693), (9, 2793539), (21, 1197231), (47, 534933), (49, 513099), (63, 399077), (141, 178311), (147, 171033), (329, 76419), (423, 59437), (441, 57011), (987, 25473), (1213, 20727), (2303, 10917), (2961, 8491), (3639, 6909)]