219075717

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{7489}}^1$

素因数の和:7705

約数の個数: 24

約数和(自身を含む): 341544000

約数和(自身を除く): 122468283

約数列:

[1, 3, 7, 21, 49, 147, 199, 597, 1393, 4179, 7489, 9751, 22467, 29253, 52423, 157269, 366961, 1100883, 1490311, 4470933, 10432177, 31296531, 73025239, 219075717]

約数ペア:

[(1, 219075717), (3, 73025239), (7, 31296531), (21, 10432177), (49, 4470933), (147, 1490311), (199, 1100883), (597, 366961), (1393, 157269), (4179, 52423), (7489, 29253), (9751, 22467)]