397406721

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{4283}}^1$

素因数の和:4640

約数の個数: 16

約数和(自身を含む): 536082624

約数和(自身を除く): 138675903

約数列:

[1, 3, 157, 197, 471, 591, 4283, 12849, 30929, 92787, 672431, 843751, 2017293, 2531253, 132468907, 397406721]

約数ペア:

[(1, 397406721), (3, 132468907), (157, 2531253), (197, 2017293), (471, 843751), (591, 672431), (4283, 92787), (12849, 30929)]