520075521

素因数分解:

$3^2\times 7^1\times {\mathrm{883}}^1\times {\mathrm{9349}}^1$

素因数の和:10245

約数の個数: 24

約数和(自身を含む): 859601600

約数和(自身を除く): 339526079

約数列:

[1, 3, 7, 9, 21, 63, 883, 2649, 6181, 7947, 9349, 18543, 28047, 55629, 65443, 84141, 196329, 588987, 8255167, 24765501, 57786169, 74296503, 173358507, 520075521]

約数ペア:

[(1, 520075521), (3, 173358507), (7, 74296503), (9, 57786169), (21, 24765501), (63, 8255167), (883, 588987), (2649, 196329), (6181, 84141), (7947, 65443), (9349, 55629), (18543, 28047)]