205743321

素因数分解:

$3^4\times 7^1\times {\mathrm{362863}}^1$

素因数の和:362882

約数の個数: 20

約数和(自身を含む): 351252352

約数和(自身を除く): 145509031

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 362863, 1088589, 2540041, 3265767, 7620123, 9797301, 22860369, 29391903, 68581107, 205743321]

約数ペア:

[(1, 205743321), (3, 68581107), (7, 29391903), (9, 22860369), (21, 9797301), (27, 7620123), (63, 3265767), (81, 2540041), (189, 1088589), (567, 362863)]