19710009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{757}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 31217472

約数和(自身を除く): 11507463

約数列:

[1, 3, 9, 11, 33, 99, 263, 757, 789, 2271, 2367, 2893, 6813, 8327, 8679, 24981, 26037, 74943, 199091, 597273, 1791819, 2190001, 6570003, 19710009]

約数ペア:

[(1, 19710009), (3, 6570003), (9, 2190001), (11, 1791819), (33, 597273), (99, 199091), (263, 74943), (757, 26037), (789, 24981), (2271, 8679), (2367, 8327), (2893, 6813)]