197266509

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{221399}}^1$

素因数の和:221422

約数の個数: 20

約数和(自身を含む): 321472800

約数和(自身を除く): 124206291

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 221399, 664197, 1992591, 2435389, 5977773, 7306167, 17933319, 21918501, 65755503, 197266509]

約数ペア:

[(1, 197266509), (3, 65755503), (9, 21918501), (11, 17933319), (27, 7306167), (33, 5977773), (81, 2435389), (99, 1992591), (297, 664197), (891, 221399)]