209291283

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{37447}}^1$

素因数の和:37485

約数の個数: 24

約数和(自身を含む): 327145728

約数和(自身を除く): 117854445

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 37447, 112341, 337023, 861281, 1011069, 2583843, 3033207, 7751529, 9099621, 23254587, 69763761, 209291283]

約数ペア:

[(1, 209291283), (3, 69763761), (9, 23254587), (23, 9099621), (27, 7751529), (69, 3033207), (81, 2583843), (207, 1011069), (243, 861281), (621, 337023), (1863, 112341), (5589, 37447)]