261696357

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{9281}}^1$

素因数の和:9541

約数の個数: 24

約数和(自身を含む): 408816408

約数和(自身を除く): 147120051

約数列:

[1, 3, 9, 13, 39, 117, 241, 723, 2169, 3133, 9281, 9399, 27843, 28197, 83529, 120653, 361959, 1085877, 2236721, 6710163, 20130489, 29077373, 87232119, 261696357]

約数ペア:

[(1, 261696357), (3, 87232119), (9, 29077373), (13, 20130489), (39, 6710163), (117, 2236721), (241, 1085877), (723, 361959), (2169, 120653), (3133, 83529), (9281, 28197), (9399, 27843)]