12390849

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{19391}}^1$

素因数の和:19468

約数の個数: 12

約数和(自身を含む): 18150912

約数和(自身を除く): 5760063

約数列:

[1, 3, 9, 71, 213, 639, 19391, 58173, 174519, 1376761, 4130283, 12390849]

約数ペア:

[(1, 12390849), (3, 4130283), (9, 1376761), (71, 174519), (213, 58173), (639, 19391)]