206855721

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{333101}}^1$

素因数の和:333133

約数の個数: 16

約数和(自身を含む): 319777920

約数和(自身を除く): 112922199

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 333101, 999303, 2997909, 7661323, 8993727, 22983969, 68951907, 206855721]

約数ペア:

[(1, 206855721), (3, 68951907), (9, 22983969), (23, 8993727), (27, 7661323), (69, 2997909), (207, 999303), (621, 333101)]