211364217

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{499679}}^1$

素因数の和:499732

約数の個数: 12

約数和(自身を含む): 311800320

約数和(自身を除く): 100436103

約数列:

[1, 3, 9, 47, 141, 423, 499679, 1499037, 4497111, 23484913, 70454739, 211364217]

約数ペア:

[(1, 211364217), (3, 70454739), (9, 23484913), (47, 4497111), (141, 1499037), (423, 499679)]