20121572169

素因数分解:

$3^2\times {\mathrm{1471}}^1\times {\mathrm{1519871}}^1$

素因数の和:1521348

約数の個数: 12

約数和(自身を含む): 29084270592

約数和(自身を除く): 8962698423

約数列:

[1, 3, 9, 1471, 4413, 13239, 1519871, 4559613, 13678839, 2235730241, 6707190723, 20121572169]

約数ペア:

[(1, 20121572169), (3, 6707190723), (9, 2235730241), (1471, 13678839), (4413, 4559613), (13239, 1519871)]