208079729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 247603392

約数和(自身を除く): 39523663

約数列:

[1, 11, 13, 143, 169, 173, 647, 1859, 1903, 2249, 7117, 8411, 24739, 29237, 92521, 109343, 111931, 321607, 1202773, 1231241, 1455103, 16006133, 18916339, 208079729]

約数ペア:

[(1, 208079729), (11, 18916339), (13, 16006133), (143, 1455103), (169, 1231241), (173, 1202773), (647, 321607), (1859, 111931), (1903, 109343), (2249, 92521), (7117, 29237), (8411, 24739)]