20765625

素因数分解:

$3^1\times 5^6\times {\mathrm{443}}^1$

素因数の和:476

約数の個数: 28

約数和(自身を含む): 34687056

約数和(自身を除く): 13921431

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 443, 625, 1329, 1875, 2215, 3125, 6645, 9375, 11075, 15625, 33225, 46875, 55375, 166125, 276875, 830625, 1384375, 4153125, 6921875, 20765625]

約数ペア:

[(1, 20765625), (3, 6921875), (5, 4153125), (15, 1384375), (25, 830625), (75, 276875), (125, 166125), (375, 55375), (443, 46875), (625, 33225), (1329, 15625), (1875, 11075), (2215, 9375), (3125, 6645)]