199345689

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{3023}}^1$

素因数の和:3477

約数の個数: 24

約数和(自身を含む): 305690112

約数和(自身を除く): 106344423

約数列:

[1, 3, 9, 17, 51, 153, 431, 1293, 3023, 3879, 7327, 9069, 21981, 27207, 51391, 65943, 154173, 462519, 1302913, 3908739, 11726217, 22149521, 66448563, 199345689]

約数ペア:

[(1, 199345689), (3, 66448563), (9, 22149521), (17, 11726217), (51, 3908739), (153, 1302913), (431, 462519), (1293, 154173), (3023, 65943), (3879, 51391), (7327, 27207), (9069, 21981)]