404403489

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{13127}}^1$

素因数の和:13306

約数の個数: 32

約数和(自身を含む): 688957440

約数和(自身を除く): 284553951

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 1141, 1467, 3423, 4401, 10269, 13127, 30807, 39381, 91889, 118143, 275667, 354429, 827001, 2139701, 2481003, 6419103, 14977907, 19257309, 44933721, 57771927, 134801163, 404403489]

約数ペア:

[(1, 404403489), (3, 134801163), (7, 57771927), (9, 44933721), (21, 19257309), (27, 14977907), (63, 6419103), (163, 2481003), (189, 2139701), (489, 827001), (1141, 354429), (1467, 275667), (3423, 118143), (4401, 91889), (10269, 39381), (13127, 30807)]