55475721

素因数分解:

$3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1361}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 91787904

約数和(自身を除く): 36312183

約数列:

[1, 3, 7, 9, 21, 63, 647, 1361, 1941, 4083, 4529, 5823, 9527, 12249, 13587, 28581, 40761, 85743, 880567, 2641701, 6163969, 7925103, 18491907, 55475721]

約数ペア:

[(1, 55475721), (3, 18491907), (7, 7925103), (9, 6163969), (21, 2641701), (63, 880567), (647, 85743), (1361, 40761), (1941, 28581), (4083, 13587), (4529, 12249), (5823, 9527)]