78110721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9403}}^1$

素因数の和:9493

約数の個数: 24

約数和(自身を含む): 123230016

約数和(自身を除く): 45119295

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 9403, 28209, 84627, 122239, 366717, 667613, 1100151, 2002839, 6008517, 8678969, 26036907, 78110721]

約数ペア:

[(1, 78110721), (3, 26036907), (9, 8678969), (13, 6008517), (39, 2002839), (71, 1100151), (117, 667613), (213, 366717), (639, 122239), (923, 84627), (2769, 28209), (8307, 9403)]