127129405

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 168618240

約数和(自身を除く): 41488835

約数列:

[1, 5, 13, 65, 71, 163, 169, 355, 815, 845, 923, 2119, 2197, 4615, 10595, 10985, 11573, 11999, 27547, 57865, 59995, 137735, 150449, 155987, 358111, 752245, 779935, 1790555, 1955837, 9779185, 25425881, 127129405]

約数ペア:

[(1, 127129405), (5, 25425881), (13, 9779185), (65, 1955837), (71, 1790555), (163, 779935), (169, 752245), (355, 358111), (815, 155987), (845, 150449), (923, 137735), (2119, 59995), (2197, 57865), (4615, 27547), (10595, 11999), (10985, 11573)]