161947009

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{54181}}^1$

素因数の和:54256

約数の個数: 12

約数和(自身を含む): 191479188

約数和(自身を除く): 29532179

約数列:

[1, 7, 49, 61, 427, 2989, 54181, 379267, 2654869, 3305041, 23135287, 161947009]

約数ペア:

[(1, 161947009), (7, 23135287), (49, 3305041), (61, 2654869), (427, 379267), (2989, 54181)]