90243279

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11279}}^1$

素因数の和:11419

約数の個数: 24

約数和(自身を含む): 150159360

約数和(自身を除く): 59916081

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 11279, 33837, 78953, 101511, 236859, 710577, 1432433, 4297299, 10027031, 12891897, 30081093, 90243279]

約数ペア:

[(1, 90243279), (3, 30081093), (7, 12891897), (9, 10027031), (21, 4297299), (63, 1432433), (127, 710577), (381, 236859), (889, 101511), (1143, 78953), (2667, 33837), (8001, 11279)]