251264439

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{7027}}^1$

素因数の和:7199

約数の個数: 24

約数和(自身を含む): 378246960

約数和(自身を除く): 126982521

約数列:

[1, 3, 9, 29, 87, 137, 261, 411, 1233, 3973, 7027, 11919, 21081, 35757, 63243, 203783, 611349, 962699, 1834047, 2888097, 8664291, 27918271, 83754813, 251264439]

約数ペア:

[(1, 251264439), (3, 83754813), (9, 27918271), (29, 8664291), (87, 2888097), (137, 1834047), (261, 962699), (411, 611349), (1233, 203783), (3973, 63243), (7027, 35757), (11919, 21081)]