251116767

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{281837}}^1$

素因数の和:281860

約数の個数: 20

約数和(自身を含む): 409228776

約数和(自身を除く): 158112009

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 281837, 845511, 2536533, 3100207, 7609599, 9300621, 22828797, 27901863, 83705589, 251116767]

約数ペア:

[(1, 251116767), (3, 83705589), (9, 27901863), (11, 22828797), (27, 9300621), (33, 7609599), (81, 3100207), (99, 2536533), (297, 845511), (891, 281837)]