72421587

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3391}}^1$

素因数の和:3520

約数の個数: 32

約数和(自身を含む): 123740160

約数和(自身を除く): 51318573

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 1017, 2373, 3051, 3391, 7119, 10173, 21357, 23737, 30519, 71211, 91557, 213633, 383183, 640899, 1149549, 2682281, 3448647, 8046843, 10345941, 24140529, 72421587]

約数ペア:

[(1, 72421587), (3, 24140529), (7, 10345941), (9, 8046843), (21, 3448647), (27, 2682281), (63, 1149549), (113, 640899), (189, 383183), (339, 213633), (791, 91557), (1017, 71211), (2373, 30519), (3051, 23737), (3391, 21357), (7119, 10173)]