12917853

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 21960000

約数和(自身を除く): 9042147

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 149, 169, 171, 247, 351, 447, 507, 513, 741, 1341, 1521, 1937, 2223, 2831, 3211, 4023, 4563, 5811, 6669, 8493, 9633, 17433, 25181, 25479, 28899, 36803, 52299, 75543, 76437, 86697, 110409, 226629, 331227, 478439, 679887, 993681, 1435317, 4305951, 12917853]

約数ペア:

[(1, 12917853), (3, 4305951), (9, 1435317), (13, 993681), (19, 679887), (27, 478439), (39, 331227), (57, 226629), (117, 110409), (149, 86697), (169, 76437), (171, 75543), (247, 52299), (351, 36803), (447, 28899), (507, 25479), (513, 25181), (741, 17433), (1341, 9633), (1521, 8493), (1937, 6669), (2223, 5811), (2831, 4563), (3211, 4023)]