28207011

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31237}}^1$

素因数の和:31290

約数の個数: 16

約数和(自身を含む): 43983104

約数和(自身を除く): 15776093

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31237, 93711, 218659, 655977, 1343191, 4029573, 9402337, 28207011]

約数ペア:

[(1, 28207011), (3, 9402337), (7, 4029573), (21, 1343191), (43, 655977), (129, 218659), (301, 93711), (903, 31237)]