289402587

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{3169}}^1$

素因数の和:3387

約数の個数: 24

約数和(自身を含む): 426935600

約数和(自身を除く): 137533013

約数列:

[1, 3, 9, 73, 139, 219, 417, 657, 1251, 3169, 9507, 10147, 28521, 30441, 91323, 231337, 440491, 694011, 1321473, 2082033, 3964419, 32155843, 96467529, 289402587]

約数ペア:

[(1, 289402587), (3, 96467529), (9, 32155843), (73, 3964419), (139, 2082033), (219, 1321473), (417, 694011), (657, 440491), (1251, 231337), (3169, 91323), (9507, 30441), (10147, 28521)]