31393413

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 19240443

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 137, 207, 243, 369, 411, 621, 943, 1107, 1233, 1863, 2829, 3151, 3321, 3699, 5589, 5617, 8487, 9453, 9963, 11097, 16851, 25461, 28359, 33291, 50553, 76383, 85077, 129191, 151659, 229149, 255231, 387573, 454977, 765693, 1162719, 1364931, 3488157, 10464471, 31393413]

約数ペア:

[(1, 31393413), (3, 10464471), (9, 3488157), (23, 1364931), (27, 1162719), (41, 765693), (69, 454977), (81, 387573), (123, 255231), (137, 229149), (207, 151659), (243, 129191), (369, 85077), (411, 76383), (621, 50553), (943, 33291), (1107, 28359), (1233, 25461), (1863, 16851), (2829, 11097), (3151, 9963), (3321, 9453), (3699, 8487), (5589, 5617)]