31391829

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1301}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 51996672

約数和(自身を除く): 20604843

約数列:

[1, 3, 7, 9, 21, 63, 383, 1149, 1301, 2681, 3447, 3903, 8043, 9107, 11709, 24129, 27321, 81963, 498283, 1494849, 3487981, 4484547, 10463943, 31391829]

約数ペア:

[(1, 31391829), (3, 10463943), (7, 4484547), (9, 3487981), (21, 1494849), (63, 498283), (383, 81963), (1149, 27321), (1301, 24129), (2681, 11709), (3447, 9107), (3903, 8043)]