2015625

素因数分解:

$3^1\times 5^6\times {\mathrm{43}}^1$

素因数の和:76

約数の個数: 28

約数和(自身を含む): 3437456

約数和(自身を除く): 1421831

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 645, 1075, 1875, 3125, 3225, 5375, 9375, 15625, 16125, 26875, 46875, 80625, 134375, 403125, 671875, 2015625]

約数ペア:

[(1, 2015625), (3, 671875), (5, 403125), (15, 134375), (25, 80625), (43, 46875), (75, 26875), (125, 16125), (129, 15625), (215, 9375), (375, 5375), (625, 3225), (645, 3125), (1075, 1875)]