2040507

素因数分解:

$3^2\times 7^3\times {\mathrm{661}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 3442400

約数和(自身を除く): 1401893

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 661, 1029, 1983, 3087, 4627, 5949, 13881, 32389, 41643, 97167, 226723, 291501, 680169, 2040507]

約数ペア:

[(1, 2040507), (3, 680169), (7, 291501), (9, 226723), (21, 97167), (49, 41643), (63, 32389), (147, 13881), (343, 5949), (441, 4627), (661, 3087), (1029, 1983)]