156960489

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 244028160

約数和(自身を除く): 87067671

約数列:

[1, 3, 7, 21, 89, 137, 267, 411, 613, 623, 959, 1839, 1869, 2877, 4291, 12193, 12873, 36579, 54557, 83981, 85351, 163671, 251943, 256053, 381899, 587867, 1145697, 1763601, 7474309, 22422927, 52320163, 156960489]

約数ペア:

[(1, 156960489), (3, 52320163), (7, 22422927), (21, 7474309), (89, 1763601), (137, 1145697), (267, 587867), (411, 381899), (613, 256053), (623, 251943), (959, 163671), (1839, 85351), (1869, 83981), (2877, 54557), (4291, 36579), (12193, 12873)]