81474903

素因数分解:

$3^4\times {\mathrm{907}}^1\times {\mathrm{1109}}^1$

素因数の和:2028

約数の個数: 20

約数和(自身を含む): 121953480

約数和(自身を除く): 40478577

約数列:

[1, 3, 9, 27, 81, 907, 1109, 2721, 3327, 8163, 9981, 24489, 29943, 73467, 89829, 1005863, 3017589, 9052767, 27158301, 81474903]

約数ペア:

[(1, 81474903), (3, 27158301), (9, 9052767), (27, 3017589), (81, 1005863), (907, 89829), (1109, 73467), (2721, 29943), (3327, 24489), (8163, 9981)]