28938879

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2591}}^1$

素因数の和:2687

約数の個数: 24

約数和(自身を含む): 44883072

約数和(自身を除く): 15944193

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 2591, 3723, 7773, 11169, 23319, 44047, 132141, 189143, 396423, 567429, 1702287, 3215431, 9646293, 28938879]

約数ペア:

[(1, 28938879), (3, 9646293), (9, 3215431), (17, 1702287), (51, 567429), (73, 396423), (153, 189143), (219, 132141), (657, 44047), (1241, 23319), (2591, 11169), (3723, 7773)]