128568339

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{1873}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 192947040

約数和(自身を除く): 64378701

約数列:

[1, 3, 9, 29, 87, 261, 263, 789, 1873, 2367, 5619, 7627, 16857, 22881, 54317, 68643, 162951, 488853, 492599, 1477797, 4433391, 14285371, 42856113, 128568339]

約数ペア:

[(1, 128568339), (3, 42856113), (9, 14285371), (29, 4433391), (87, 1477797), (261, 492599), (263, 488853), (789, 162951), (1873, 68643), (2367, 54317), (5619, 22881), (7627, 16857)]