208065669

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1187}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 336669696

約数和(自身を除く): 128604027

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 491, 1187, 1473, 3437, 3561, 8309, 8347, 10311, 20179, 24927, 25041, 58429, 60537, 141253, 175287, 423759, 582817, 1748451, 4079719, 9907889, 12239157, 29723667, 69355223, 208065669]

約数ペア:

[(1, 208065669), (3, 69355223), (7, 29723667), (17, 12239157), (21, 9907889), (51, 4079719), (119, 1748451), (357, 582817), (491, 423759), (1187, 175287), (1473, 141253), (3437, 60537), (3561, 58429), (8309, 25041), (8347, 24927), (10311, 20179)]