18054561

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 29472768

約数和(自身を除く): 11418207

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 357, 491, 721, 1473, 1751, 2163, 3437, 5253, 8347, 10311, 12257, 25041, 36771, 50573, 58429, 151719, 175287, 354011, 859741, 1062033, 2579223, 6018187, 18054561]

約数ペア:

[(1, 18054561), (3, 6018187), (7, 2579223), (17, 1062033), (21, 859741), (51, 354011), (103, 175287), (119, 151719), (309, 58429), (357, 50573), (491, 36771), (721, 25041), (1473, 12257), (1751, 10311), (2163, 8347), (3437, 5253)]