12905691

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{521}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 18040320

約数和(自身を除く): 5134629

約数列:

[1, 3, 23, 69, 359, 521, 1077, 1563, 8257, 11983, 24771, 35949, 187039, 561117, 4301897, 12905691]

約数ペア:

[(1, 12905691), (3, 4301897), (23, 561117), (69, 187039), (359, 35949), (521, 24771), (1077, 11983), (1563, 8257)]