9919021

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 12147840

約数和(自身を除く): 2228819

約数列:

[1, 7, 47, 49, 59, 73, 329, 413, 511, 2303, 2773, 2891, 3431, 3577, 4307, 19411, 24017, 30149, 135877, 168119, 202429, 211043, 1417003, 9919021]

約数ペア:

[(1, 9919021), (7, 1417003), (47, 211043), (49, 202429), (59, 168119), (73, 135877), (329, 30149), (413, 24017), (511, 19411), (2303, 4307), (2773, 3577), (2891, 3431)]