28130127

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 42240000

約数和(自身を除く): 14109873

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 437, 499, 817, 989, 1311, 1497, 2451, 2967, 9481, 11477, 18791, 21457, 28443, 34431, 56373, 64371, 218063, 407683, 493511, 654189, 1223049, 1480533, 9376709, 28130127]

約数ペア:

[(1, 28130127), (3, 9376709), (19, 1480533), (23, 1223049), (43, 654189), (57, 493511), (69, 407683), (129, 218063), (437, 64371), (499, 56373), (817, 34431), (989, 28443), (1311, 21457), (1497, 18791), (2451, 11477), (2967, 9481)]