12589191

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 19393920

約数和(自身を除く): 6804729

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 887, 1577, 2661, 4731, 7983, 14193, 16853, 50559, 73621, 151677, 220863, 662589, 1398799, 4196397, 12589191]

約数ペア:

[(1, 12589191), (3, 4196397), (9, 1398799), (19, 662589), (57, 220863), (83, 151677), (171, 73621), (249, 50559), (747, 16853), (887, 14193), (1577, 7983), (2661, 4731)]