208985211

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{44741}}^1$

素因数の和:44923

約数の個数: 16

約数和(自身を含む): 311404320

約数和(自身を除く): 102419109

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 44741, 134223, 402669, 1208007, 7740193, 23220579, 69661737, 208985211]

約数ペア:

[(1, 208985211), (3, 69661737), (9, 23220579), (27, 7740193), (173, 1208007), (519, 402669), (1557, 134223), (4671, 44741)]