7840147

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:179

約数の個数: 18

約数和(自身を含む): 9487764

約数和(自身を除く): 1647617

約数列:

[1, 7, 43, 49, 61, 301, 427, 2107, 2623, 2989, 3721, 18361, 26047, 128527, 160003, 182329, 1120021, 7840147]

約数ペア:

[(1, 7840147), (7, 1120021), (43, 182329), (49, 160003), (61, 128527), (301, 26047), (427, 18361), (2107, 3721), (2623, 2989)]