161719089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1129}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 260352000

約数和(自身を除く): 98632911

約数列:

[1, 3, 7, 19, 21, 57, 133, 359, 399, 1077, 1129, 2513, 3387, 6821, 7539, 7903, 20463, 21451, 23709, 47747, 64353, 143241, 150157, 405311, 450471, 1215933, 2837177, 7700909, 8511531, 23102727, 53906363, 161719089]

約数ペア:

[(1, 161719089), (3, 53906363), (7, 23102727), (19, 8511531), (21, 7700909), (57, 2837177), (133, 1215933), (359, 450471), (399, 405311), (1077, 150157), (1129, 143241), (2513, 64353), (3387, 47747), (6821, 23709), (7539, 21451), (7903, 20463)]