279236961

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{223211}}^1$

素因数の和:223356

約数の個数: 12

約数和(自身を含む): 406245840

約数和(自身を除く): 127008879

約数列:

[1, 3, 9, 139, 417, 1251, 223211, 669633, 2008899, 31026329, 93078987, 279236961]

約数ペア:

[(1, 279236961), (3, 93078987), (9, 31026329), (139, 2008899), (417, 669633), (1251, 223211)]