123121739

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 139981824

約数和(自身を除く): 16860085

約数列:

[1, 13, 31, 71, 169, 331, 403, 923, 2201, 4303, 5239, 10261, 11999, 23501, 28613, 55939, 133393, 305513, 371969, 728531, 1734109, 3971669, 9470903, 123121739]

約数ペア:

[(1, 123121739), (13, 9470903), (31, 3971669), (71, 1734109), (169, 728531), (331, 371969), (403, 305513), (923, 133393), (2201, 55939), (4303, 28613), (5239, 23501), (10261, 11999)]