1687945617

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{9871027}}^1$

素因数の和:9871052

約数の個数: 12

約数和(自身を含む): 2566467280

約数和(自身を除く): 878521663

約数列:

[1, 3, 9, 19, 57, 171, 9871027, 29613081, 88839243, 187549513, 562648539, 1687945617]

約数ペア:

[(1, 1687945617), (3, 562648539), (9, 187549513), (19, 88839243), (57, 29613081), (171, 9871027)]