2720625

素因数分解:

$3^1\times 5^4\times {\mathrm{1451}}^1$

素因数の和:1474

約数の個数: 20

約数和(自身を含む): 4536048

約数和(自身を除く): 1815423

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1451, 1875, 4353, 7255, 21765, 36275, 108825, 181375, 544125, 906875, 2720625]

約数ペア:

[(1, 2720625), (3, 906875), (5, 544125), (15, 181375), (25, 108825), (75, 36275), (125, 21765), (375, 7255), (625, 4353), (1451, 1875)]