320497839

素因数分解:

$3^2\times {\mathrm{521}}^1\times {\mathrm{68351}}^1$

素因数の和:68878

約数の個数: 12

約数和(自身を含む): 463836672

約数和(自身を除く): 143338833

約数列:

[1, 3, 9, 521, 1563, 4689, 68351, 205053, 615159, 35610871, 106832613, 320497839]

約数ペア:

[(1, 320497839), (3, 106832613), (9, 35610871), (521, 615159), (1563, 205053), (4689, 68351)]