8120819

素因数分解:

$7^2\times {\mathrm{53}}^2\times {\mathrm{59}}^1$

素因数の和:179

約数の個数: 18

約数和(自身を含む): 9791460

約数和(自身を除く): 1670641

約数列:

[1, 7, 49, 53, 59, 371, 413, 2597, 2809, 2891, 3127, 19663, 21889, 137641, 153223, 165731, 1160117, 8120819]

約数ペア:

[(1, 8120819), (7, 1160117), (49, 165731), (53, 153223), (59, 137641), (371, 21889), (413, 19663), (2597, 3127), (2809, 2891)]