31317951

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10729}}^1$

素因数の和:10878

約数の個数: 16

約数和(自身を含む): 48070400

約数和(自身を除く): 16752449

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 10729, 32187, 75103, 225309, 1491331, 4473993, 10439317, 31317951]

約数ペア:

[(1, 31317951), (3, 10439317), (7, 4473993), (21, 1491331), (139, 225309), (417, 75103), (973, 32187), (2919, 10729)]