258156909

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 389623680

約数和(自身を除く): 131466771

約数列:

[1, 3, 9, 27, 101, 137, 303, 411, 691, 909, 1233, 2073, 2727, 3699, 6219, 13837, 18657, 41511, 69791, 94667, 124533, 209373, 284001, 373599, 628119, 852003, 1884357, 2556009, 9561367, 28684101, 86052303, 258156909]

約数ペア:

[(1, 258156909), (3, 86052303), (9, 28684101), (27, 9561367), (101, 2556009), (137, 1884357), (303, 852003), (411, 628119), (691, 373599), (909, 284001), (1233, 209373), (2073, 124533), (2727, 94667), (3699, 69791), (6219, 41511), (13837, 18657)]