8513375

素因数分解:

$5^3\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 11880960

約数和(自身を除く): 3367585

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 169, 325, 403, 775, 845, 1625, 2015, 2197, 3875, 4225, 5239, 10075, 10985, 21125, 26195, 50375, 54925, 68107, 130975, 274625, 340535, 654875, 1702675, 8513375]

約数ペア:

[(1, 8513375), (5, 1702675), (13, 654875), (25, 340535), (31, 274625), (65, 130975), (125, 68107), (155, 54925), (169, 50375), (325, 26195), (403, 21125), (775, 10985), (845, 10075), (1625, 5239), (2015, 4225), (2197, 3875)]