72121375

素因数分解:

$5^3\times {\mathrm{151}}^1\times {\mathrm{3821}}^1$

素因数の和:3987

約数の個数: 16

約数和(自身を含む): 90627264

約数和(自身を除く): 18505889

約数列:

[1, 5, 25, 125, 151, 755, 3775, 3821, 18875, 19105, 95525, 477625, 576971, 2884855, 14424275, 72121375]

約数ペア:

[(1, 72121375), (5, 14424275), (25, 2884855), (125, 576971), (151, 477625), (755, 95525), (3775, 19105), (3821, 18875)]