31407551

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 10064449

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 323, 479, 493, 551, 2261, 3353, 3451, 3857, 8143, 9101, 9367, 13891, 57001, 63707, 65569, 97237, 154717, 236147, 263929, 1083019, 1653029, 1847503, 4486793, 31407551]

約数ペア:

[(1, 31407551), (7, 4486793), (17, 1847503), (19, 1653029), (29, 1083019), (119, 263929), (133, 236147), (203, 154717), (323, 97237), (479, 65569), (493, 63707), (551, 57001), (2261, 13891), (3353, 9367), (3451, 9101), (3857, 8143)]