8428707

素因数分解:

$3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 13990496

約数和(自身を除く): 5561789

約数列:

[1, 3, 7, 9, 21, 63, 337, 397, 1011, 1191, 2359, 2779, 3033, 3573, 7077, 8337, 21231, 25011, 133789, 401367, 936523, 1204101, 2809569, 8428707]

約数ペア:

[(1, 8428707), (3, 2809569), (7, 1204101), (9, 936523), (21, 401367), (63, 133789), (337, 25011), (397, 21231), (1011, 8337), (1191, 7077), (2359, 3573), (2779, 3033)]