137990321

素因数分解:

$7^2\times {\mathrm{59}}^2\times {\mathrm{809}}^1$

素因数の和:941

約数の個数: 18

約数和(自身を含む): 163487970

約数和(自身を除く): 25497649

約数列:

[1, 7, 49, 59, 413, 809, 2891, 3481, 5663, 24367, 39641, 47731, 170569, 334117, 2338819, 2816129, 19712903, 137990321]

約数ペア:

[(1, 137990321), (7, 19712903), (49, 2816129), (59, 2338819), (413, 334117), (809, 170569), (2891, 47731), (3481, 39641), (5663, 24367)]