206143161

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{5309}}^1$

素因数の和:5405

約数の個数: 24

約数和(自身を含む): 321658560

約数和(自身を除く): 115515399

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1849, 5309, 5547, 12943, 15927, 37163, 38829, 111489, 228287, 684861, 1598009, 4794027, 9816341, 29449023, 68714387, 206143161]

約数ペア:

[(1, 206143161), (3, 68714387), (7, 29449023), (21, 9816341), (43, 4794027), (129, 1598009), (301, 684861), (903, 228287), (1849, 111489), (5309, 38829), (5547, 37163), (12943, 15927)]