81326325

素因数分解:

$3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{5449}}^1$

素因数の和:5661

約数の個数: 24

約数和(自身を含む): 135160000

約数和(自身を除く): 53833675

約数列:

[1, 3, 5, 15, 25, 75, 199, 597, 995, 2985, 4975, 5449, 14925, 16347, 27245, 81735, 136225, 408675, 1084351, 3253053, 5421755, 16265265, 27108775, 81326325]

約数ペア:

[(1, 81326325), (3, 27108775), (5, 16265265), (15, 5421755), (25, 3253053), (75, 1084351), (199, 408675), (597, 136225), (995, 81735), (2985, 27245), (4975, 16347), (5449, 14925)]