2108809053

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139721}}^1$

素因数の和:139786

約数の個数: 32

約数和(自身を含む): 3442750080

約数和(自身を除く): 1333941027

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 139721, 419163, 1257489, 1816373, 3772467, 5449119, 6008003, 16347357, 18024009, 49042071, 54072027, 78104039, 162216081, 234312117, 702936351, 2108809053]

約数ペア:

[(1, 2108809053), (3, 702936351), (9, 234312117), (13, 162216081), (27, 78104039), (39, 54072027), (43, 49042071), (117, 18024009), (129, 16347357), (351, 6008003), (387, 5449119), (559, 3772467), (1161, 1816373), (1677, 1257489), (5031, 419163), (15093, 139721)]