66999957

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{739}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 91499520

約数和(自身を除く): 24499563

約数列:

[1, 3, 47, 141, 643, 739, 1929, 2217, 30221, 34733, 90663, 104199, 475177, 1425531, 22333319, 66999957]

約数ペア:

[(1, 66999957), (3, 22333319), (47, 1425531), (141, 475177), (643, 104199), (739, 90663), (1929, 34733), (2217, 30221)]