206883279

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{569}}^2$

素因数の和:1215

約数の個数: 18

約数和(自身を含む): 303573816

約数和(自身を除く): 96690537

約数列:

[1, 3, 9, 71, 213, 569, 639, 1707, 5121, 40399, 121197, 323761, 363591, 971283, 2913849, 22987031, 68961093, 206883279]

約数ペア:

[(1, 206883279), (3, 68961093), (9, 22987031), (71, 2913849), (213, 971283), (569, 363591), (639, 323761), (1707, 121197), (5121, 40399)]