23001003

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 20

約数和(自身を含む): 34490808

約数和(自身を除く): 11489805

約数列:

[1, 3, 9, 27, 81, 443, 641, 1329, 1923, 3987, 5769, 11961, 17307, 35883, 51921, 283963, 851889, 2555667, 7667001, 23001003]

約数ペア:

[(1, 23001003), (3, 7667001), (9, 2555667), (27, 851889), (81, 283963), (443, 51921), (641, 35883), (1329, 17307), (1923, 11961), (3987, 5769)]