25315263

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 37458720

約数和(自身を除く): 12143457

約数列:

[1, 3, 9, 71, 173, 213, 229, 519, 639, 687, 1557, 2061, 12283, 16259, 36849, 39617, 48777, 110547, 118851, 146331, 356553, 2812807, 8438421, 25315263]

約数ペア:

[(1, 25315263), (3, 8438421), (9, 2812807), (71, 356553), (173, 146331), (213, 118851), (229, 110547), (519, 48777), (639, 39617), (687, 36849), (1557, 16259), (2061, 12283)]