138438543

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{1669}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 189284480

約数和(自身を除く): 50845937

約数列:

[1, 3, 43, 129, 643, 1669, 1929, 5007, 27649, 71767, 82947, 215301, 1073167, 3219501, 46146181, 138438543]

約数ペア:

[(1, 138438543), (3, 46146181), (43, 3219501), (129, 1073167), (643, 215301), (1669, 82947), (1929, 71767), (5007, 27649)]