12756639

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{919}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 19489280

約数和(自身を除く): 6732641

約数列:

[1, 3, 7, 21, 661, 919, 1983, 2757, 4627, 6433, 13881, 19299, 607459, 1822377, 4252213, 12756639]

約数ペア:

[(1, 12756639), (3, 4252213), (7, 1822377), (21, 607459), (661, 19299), (919, 13881), (1983, 6433), (2757, 4627)]