201331431

素因数分解:

$3^2\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{2861}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 332770464

約数和(自身を除く): 131439033

約数列:

[1, 3, 7, 9, 21, 63, 1117, 2861, 3351, 7819, 8583, 10053, 20027, 23457, 25749, 60081, 70371, 180243, 3195737, 9587211, 22370159, 28761633, 67110477, 201331431]

約数ペア:

[(1, 201331431), (3, 67110477), (7, 28761633), (9, 22370159), (21, 9587211), (63, 3195737), (1117, 180243), (2861, 70371), (3351, 60081), (7819, 25749), (8583, 23457), (10053, 20027)]