2450625

素因数分解:

$3^1\times 5^4\times {\mathrm{1307}}^1$

素因数の和:1330

約数の個数: 20

約数和(自身を含む): 4086192

約数和(自身を除く): 1635567

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1307, 1875, 3921, 6535, 19605, 32675, 98025, 163375, 490125, 816875, 2450625]

約数ペア:

[(1, 2450625), (3, 816875), (5, 490125), (15, 163375), (25, 98025), (75, 32675), (125, 19605), (375, 6535), (625, 3921), (1307, 1875)]