199742787

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{321647}}^1$

素因数の和:321679

約数の個数: 16

約数和(自身を含む): 308782080

約数和(自身を除く): 109039293

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 321647, 964941, 2894823, 7397881, 8684469, 22193643, 66580929, 199742787]

約数ペア:

[(1, 199742787), (3, 66580929), (9, 22193643), (23, 8684469), (27, 7397881), (69, 2894823), (207, 964941), (621, 321647)]