39690147

素因数分解:

$3^1\times 7^2\times {\mathrm{270001}}^1$

素因数の和:270018

約数の個数: 12

約数和(自身を含む): 61560456

約数和(自身を除く): 21870309

約数列:

[1, 3, 7, 21, 49, 147, 270001, 810003, 1890007, 5670021, 13230049, 39690147]

約数ペア:

[(1, 39690147), (3, 13230049), (7, 5670021), (21, 1890007), (49, 810003), (147, 270001)]