9720297

素因数分解:

$3^3\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 14448960

約数和(自身を除く): 4728663

約数列:

[1, 3, 9, 27, 521, 691, 1563, 2073, 4689, 6219, 14067, 18657, 360011, 1080033, 3240099, 9720297]

約数ペア:

[(1, 9720297), (3, 3240099), (9, 1080033), (27, 360011), (521, 18657), (691, 14067), (1563, 6219), (2073, 4689)]