28920507

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{125197}}^1$

素因数の和:125218

約数の個数: 16

約数和(自身を含む): 48076032

約数和(自身を除く): 19155525

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 125197, 375591, 876379, 1377167, 2629137, 4131501, 9640169, 28920507]

約数ペア:

[(1, 28920507), (3, 9640169), (7, 4131501), (11, 2629137), (21, 1377167), (33, 876379), (77, 375591), (231, 125197)]