56123781

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 88363008

約数和(自身を除く): 32239227

約数列:

[1, 3, 7, 21, 47, 101, 141, 303, 329, 563, 707, 987, 1689, 2121, 3941, 4747, 11823, 14241, 26461, 33229, 56863, 79383, 99687, 170589, 185227, 398041, 555681, 1194123, 2672561, 8017683, 18707927, 56123781]

約数ペア:

[(1, 56123781), (3, 18707927), (7, 8017683), (21, 2672561), (47, 1194123), (101, 555681), (141, 398041), (303, 185227), (329, 170589), (563, 99687), (707, 79383), (987, 56863), (1689, 33229), (2121, 26461), (3941, 14241), (4747, 11823)]