247996971

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{133117}}^1$

素因数の和:133152

約数の個数: 20

約数和(自身を含む): 386574672

約数和(自身を除く): 138577701

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 133117, 399351, 1198053, 3061691, 3594159, 9185073, 10782477, 27555219, 82665657, 247996971]

約数ペア:

[(1, 247996971), (3, 82665657), (9, 27555219), (23, 10782477), (27, 9185073), (69, 3594159), (81, 3061691), (207, 1198053), (621, 399351), (1863, 133117)]