128157471

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{13523}}^1$

素因数の和:13554

約数の個数: 28

約数和(自身を含む): 206944248

約数和(自身を除く): 78786777

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9477, 13523, 40569, 121707, 175799, 365121, 527397, 1095363, 1582191, 3286089, 4746573, 9858267, 14239719, 42719157, 128157471]

約数ペア:

[(1, 128157471), (3, 42719157), (9, 14239719), (13, 9858267), (27, 4746573), (39, 3286089), (81, 1582191), (117, 1095363), (243, 527397), (351, 365121), (729, 175799), (1053, 121707), (3159, 40569), (9477, 13523)]