31895379

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 47830640

約数和(自身を除く): 15935261

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 1129, 3139, 3387, 9417, 10161, 28251, 48547, 82417, 145641, 247251, 436923, 741753, 3543931, 10631793, 31895379]

約数ペア:

[(1, 31895379), (3, 10631793), (9, 3543931), (43, 741753), (73, 436923), (129, 247251), (219, 145641), (387, 82417), (657, 48547), (1129, 28251), (3139, 10161), (3387, 9417)]