123817681

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 144198144

約数和(自身を除く): 20380463

約数列:

[1, 13, 17, 71, 169, 221, 607, 923, 1207, 2873, 7891, 10319, 11999, 15691, 43097, 102583, 134147, 203983, 560261, 732649, 1743911, 7283393, 9524437, 123817681]

約数ペア:

[(1, 123817681), (13, 9524437), (17, 7283393), (71, 1743911), (169, 732649), (221, 560261), (607, 203983), (923, 134147), (1207, 102583), (2873, 43097), (7891, 15691), (10319, 11999)]