81400485

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{39041}}^1$

素因数の和:39188

約数の個数: 16

約数和(自身を含む): 131181120

約数和(自身を除く): 49780635

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 39041, 117123, 195205, 585615, 5426699, 16280097, 27133495, 81400485]

約数ペア:

[(1, 81400485), (3, 27133495), (5, 16280097), (15, 5426699), (139, 585615), (417, 195205), (695, 117123), (2085, 39041)]