291285153

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{26249}}^1$

素因数の和:26398

約数の個数: 20

約数和(自身を含む): 438322500

約数和(自身を除く): 147037347

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 26249, 78747, 236241, 708723, 2126169, 3596113, 10788339, 32365017, 97095051, 291285153]

約数ペア:

[(1, 291285153), (3, 97095051), (9, 32365017), (27, 10788339), (81, 3596113), (137, 2126169), (411, 708723), (1233, 236241), (3699, 78747), (11097, 26249)]