71788881

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2\times {\mathrm{101}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 100132992

約数和(自身を除く): 28344111

約数列:

[1, 3, 47, 71, 101, 141, 213, 303, 3337, 4747, 5041, 7171, 10011, 14241, 15123, 21513, 236927, 337037, 509141, 710781, 1011111, 1527423, 23929627, 71788881]

約数ペア:

[(1, 71788881), (3, 23929627), (47, 1527423), (71, 1011111), (101, 710781), (141, 509141), (213, 337037), (303, 236927), (3337, 21513), (4747, 15123), (5041, 14241), (7171, 10011)]