28507425

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2551}}^1$

素因数の和:2713

約数の個数: 24

約数和(自身を含む): 47467200

約数和(自身を除く): 18959775

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 2235, 2551, 3725, 7653, 11175, 12755, 38265, 63775, 191325, 380099, 1140297, 1900495, 5701485, 9502475, 28507425]

約数ペア:

[(1, 28507425), (3, 9502475), (5, 5701485), (15, 1900495), (25, 1140297), (75, 380099), (149, 191325), (447, 63775), (745, 38265), (2235, 12755), (2551, 11175), (3725, 7653)]