31118143

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13763}}^1$

素因数の和:13806

約数の個数: 16

約数和(自身を含む): 39640320

約数和(自身を除く): 8522177

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 13763, 96341, 233971, 261497, 1637797, 1830479, 4445449, 31118143]

約数ペア:

[(1, 31118143), (7, 4445449), (17, 1830479), (19, 1637797), (119, 261497), (133, 233971), (323, 96341), (2261, 13763)]