1891227

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 2757888

約数和(自身を除く): 866661

約数列:

[1, 3, 13, 39, 71, 213, 683, 923, 2049, 2769, 8879, 26637, 48493, 145479, 630409, 1891227]

約数ペア:

[(1, 1891227), (3, 630409), (13, 145479), (39, 48493), (71, 26637), (213, 8879), (683, 2769), (923, 2049)]