172920978

素因数分解:

$2^1\times 3^2\times {\mathrm{9606721}}^1$

素因数の和:9606729

約数の個数: 12

約数和(自身を含む): 374662158

約数和(自身を除く): 201741180

約数列:

[1, 2, 3, 6, 9, 18, 9606721, 19213442, 28820163, 57640326, 86460489, 172920978]

約数ペア:

[(1, 172920978), (2, 86460489), (3, 57640326), (6, 28820163), (9, 19213442), (18, 9606721)]