16987005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53927}}^1$

素因数の和:53945

約数の個数: 24

約数和(自身を含む): 33651072

約数和(自身を除く): 16664067

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 53927, 161781, 269635, 377489, 485343, 808905, 1132467, 1887445, 2426715, 3397401, 5662335, 16987005]

約数ペア:

[(1, 16987005), (3, 5662335), (5, 3397401), (7, 2426715), (9, 1887445), (15, 1132467), (21, 808905), (35, 485343), (45, 377489), (63, 269635), (105, 161781), (315, 53927)]