31394259

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1777}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 49186592

約数和(自身を除く): 17792333

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1359, 1777, 1963, 5331, 5889, 15993, 17667, 23101, 69303, 207909, 268327, 804981, 2414943, 3488251, 10464753, 31394259]

約数ペア:

[(1, 31394259), (3, 10464753), (9, 3488251), (13, 2414943), (39, 804981), (117, 268327), (151, 207909), (453, 69303), (1359, 23101), (1777, 17667), (1963, 15993), (5331, 5889)]