9871375

素因数分解:

$5^3\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:675

約数の個数: 16

約数和(自身を含む): 12422592

約数和(自身を除く): 2551217

約数列:

[1, 5, 25, 125, 157, 503, 785, 2515, 3925, 12575, 19625, 62875, 78971, 394855, 1974275, 9871375]

約数ペア:

[(1, 9871375), (5, 1974275), (25, 394855), (125, 78971), (157, 62875), (503, 19625), (785, 12575), (2515, 3925)]