206728767

素因数分解:

$3^4\times 7^1\times {\mathrm{364601}}^1$

素因数の和:364620

約数の個数: 20

約数和(自身を含む): 352934736

約数和(自身を除く): 146205969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 364601, 1093803, 2552207, 3281409, 7656621, 9844227, 22969863, 29532681, 68909589, 206728767]

約数ペア:

[(1, 206728767), (3, 68909589), (7, 29532681), (9, 22969863), (21, 9844227), (27, 7656621), (63, 3281409), (81, 2552207), (189, 1093803), (567, 364601)]