28475625

素因数分解:

$3^1\times 5^4\times {\mathrm{15187}}^1$

素因数の和:15210

約数の個数: 20

約数和(自身を含む): 47447312

約数和(自身を除く): 18971687

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 15187, 45561, 75935, 227805, 379675, 1139025, 1898375, 5695125, 9491875, 28475625]

約数ペア:

[(1, 28475625), (3, 9491875), (5, 5695125), (15, 1898375), (25, 1139025), (75, 379675), (125, 227805), (375, 75935), (625, 45561), (1875, 15187)]