13020375

素因数分解:

$3^1\times 5^3\times {\mathrm{34721}}^1$

素因数の和:34739

約数の個数: 16

約数和(自身を含む): 21666528

約数和(自身を除く): 8646153

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 34721, 104163, 173605, 520815, 868025, 2604075, 4340125, 13020375]

約数ペア:

[(1, 13020375), (3, 4340125), (5, 2604075), (15, 868025), (25, 520815), (75, 173605), (125, 104163), (375, 34721)]