2009339991

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{1249}}^1\times {\mathrm{4157}}^1$

素因数の和:5455

約数の個数: 24

約数和(自身を含む): 2972970000

約数和(自身を除く): 963630009

約数列:

[1, 3, 9, 43, 129, 387, 1249, 3747, 4157, 11241, 12471, 37413, 53707, 161121, 178751, 483363, 536253, 1608759, 5192093, 15576279, 46728837, 223259999, 669779997, 2009339991]

約数ペア:

[(1, 2009339991), (3, 669779997), (9, 223259999), (43, 46728837), (129, 15576279), (387, 5192093), (1249, 1608759), (3747, 536253), (4157, 483363), (11241, 178751), (12471, 161121), (37413, 53707)]