8165781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 12894336

約数和(自身を除く): 4728555

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 983, 2769, 2949, 8307, 8847, 12779, 38337, 69793, 115011, 209379, 628137, 907309, 2721927, 8165781]

約数ペア:

[(1, 8165781), (3, 2721927), (9, 907309), (13, 628137), (39, 209379), (71, 115011), (117, 69793), (213, 38337), (639, 12779), (923, 8847), (983, 8307), (2769, 2949)]