12719217

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4421}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 19527552

約数和(自身を除く): 6808335

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 4421, 13263, 30947, 92841, 605677, 1817031, 4239739, 12719217]

約数ペア:

[(1, 12719217), (3, 4239739), (7, 1817031), (21, 605677), (137, 92841), (411, 30947), (959, 13263), (2877, 4421)]