217040375

素因数分解:

$5^3\times {\mathrm{227}}^1\times {\mathrm{7649}}^1$

素因数の和:7891

約数の個数: 16

約数和(自身を含む): 272095200

約数和(自身を除く): 55054825

約数列:

[1, 5, 25, 125, 227, 1135, 5675, 7649, 28375, 38245, 191225, 956125, 1736323, 8681615, 43408075, 217040375]

約数ペア:

[(1, 217040375), (5, 43408075), (25, 8681615), (125, 1736323), (227, 956125), (1135, 191225), (5675, 38245), (7649, 28375)]