15981603

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 8901597

約数列:

[1, 3, 11, 19, 33, 57, 71, 209, 213, 359, 627, 781, 1077, 1349, 2343, 3949, 4047, 6821, 11847, 14839, 20463, 25489, 44517, 75031, 76467, 225093, 280379, 484291, 841137, 1452873, 5327201, 15981603]

約数ペア:

[(1, 15981603), (3, 5327201), (11, 1452873), (19, 841137), (33, 484291), (57, 280379), (71, 225093), (209, 76467), (213, 75031), (359, 44517), (627, 25489), (781, 20463), (1077, 14839), (1349, 11847), (2343, 6821), (3949, 4047)]