206910711

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{76379}}^1$

素因数の和:76435

約数の個数: 24

約数和(自身を含む): 349514880

約数和(自身を除く): 142604169

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 76379, 229137, 534653, 687411, 1603959, 3284297, 4811877, 9852891, 22990079, 29558673, 68970237, 206910711]

約数ペア:

[(1, 206910711), (3, 68970237), (7, 29558673), (9, 22990079), (21, 9852891), (43, 4811877), (63, 3284297), (129, 1603959), (301, 687411), (387, 534653), (903, 229137), (2709, 76379)]