128109519

素因数分解:

$3^4\times {\mathrm{919}}^1\times {\mathrm{1721}}^1$

素因数の和:2652

約数の個数: 20

約数和(自身を含む): 191693040

約数和(自身を除く): 63583521

約数列:

[1, 3, 9, 27, 81, 919, 1721, 2757, 5163, 8271, 15489, 24813, 46467, 74439, 139401, 1581599, 4744797, 14234391, 42703173, 128109519]

約数ペア:

[(1, 128109519), (3, 42703173), (9, 14234391), (27, 4744797), (81, 1581599), (919, 139401), (1721, 74439), (2757, 46467), (5163, 24813), (8271, 15489)]