25790961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 42511360

約数和(自身を除く): 16720399

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1747, 2109, 4921, 5241, 12229, 14763, 33193, 36687, 64639, 99579, 193917, 232351, 452473, 697053, 1228141, 1357419, 3684423, 8596987, 25790961]

約数ペア:

[(1, 25790961), (3, 8596987), (7, 3684423), (19, 1357419), (21, 1228141), (37, 697053), (57, 452473), (111, 232351), (133, 193917), (259, 99579), (399, 64639), (703, 36687), (777, 33193), (1747, 14763), (2109, 12229), (4921, 5241)]