1330797681

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{197947}}^1$

素因数の和:198042

約数の個数: 20

約数和(自身を含む): 2011943472

約数和(自身を除く): 681145791

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 197947, 593841, 1781523, 5344569, 16033707, 16429601, 49288803, 147866409, 443599227, 1330797681]

約数ペア:

[(1, 1330797681), (3, 443599227), (9, 147866409), (27, 49288803), (81, 16429601), (83, 16033707), (249, 5344569), (747, 1781523), (2241, 593841), (6723, 197947)]