27999727

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{18433}}^1$

素因数の和:18478

約数の個数: 12

約数和(自身を含む): 33623616

約数和(自身を除く): 5623889

約数列:

[1, 7, 31, 49, 217, 1519, 18433, 129031, 571423, 903217, 3999961, 27999727]

約数ペア:

[(1, 27999727), (7, 3999961), (31, 903217), (49, 571423), (217, 129031), (1519, 18433)]