13409851

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 17740800

約数和(自身を除く): 4330949

約数列:

[1, 7, 13, 23, 43, 91, 149, 161, 299, 301, 559, 989, 1043, 1937, 2093, 3427, 3913, 6407, 6923, 12857, 13559, 23989, 44551, 44849, 83291, 89999, 147361, 311857, 583037, 1031527, 1915693, 13409851]

約数ペア:

[(1, 13409851), (7, 1915693), (13, 1031527), (23, 583037), (43, 311857), (91, 147361), (149, 89999), (161, 83291), (299, 44849), (301, 44551), (559, 23989), (989, 13559), (1043, 12857), (1937, 6923), (2093, 6407), (3427, 3913)]