208804221

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{493627}}^1$

素因数の和:493680

約数の個数: 12

約数和(自身を含む): 308023872

約数和(自身を除く): 99219651

約数列:

[1, 3, 9, 47, 141, 423, 493627, 1480881, 4442643, 23200469, 69601407, 208804221]

約数ペア:

[(1, 208804221), (3, 69601407), (9, 23200469), (47, 4442643), (141, 1480881), (423, 493627)]