12907375

素因数分解:

$5^3\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 32

約数和(自身を含む): 17821440

約数和(自身を除く): 4914065

約数列:

[1, 5, 13, 25, 47, 65, 125, 169, 235, 325, 611, 845, 1175, 1625, 2197, 3055, 4225, 5875, 7943, 10985, 15275, 21125, 39715, 54925, 76375, 103259, 198575, 274625, 516295, 992875, 2581475, 12907375]

約数ペア:

[(1, 12907375), (5, 2581475), (13, 992875), (25, 516295), (47, 274625), (65, 198575), (125, 103259), (169, 76375), (235, 54925), (325, 39715), (611, 21125), (845, 15275), (1175, 10985), (1625, 7943), (2197, 5875), (3055, 4225)]