81294983

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{571}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 103948416

約数和(自身を除く): 22653433

約数列:

[1, 7, 11, 43, 77, 301, 473, 571, 1849, 3311, 3997, 6281, 12943, 20339, 24553, 43967, 142373, 171871, 270083, 1055779, 1890581, 7390453, 11613569, 81294983]

約数ペア:

[(1, 81294983), (7, 11613569), (11, 7390453), (43, 1890581), (77, 1055779), (301, 270083), (473, 171871), (571, 142373), (1849, 43967), (3311, 24553), (3997, 20339), (6281, 12943)]