422919

素因数分解:

$3^2\times 7^3\times {\mathrm{137}}^1$

素因数の和:164

約数の個数: 24

約数和(自身を含む): 717600

約数和(自身を除く): 294681

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 343, 411, 441, 959, 1029, 1233, 2877, 3087, 6713, 8631, 20139, 46991, 60417, 140973, 422919]

約数ペア:

[(1, 422919), (3, 140973), (7, 60417), (9, 46991), (21, 20139), (49, 8631), (63, 6713), (137, 3087), (147, 2877), (343, 1233), (411, 1029), (441, 959)]