2728139211

素因数分解:

$3^4\times 7^1\times {\mathrm{4811533}}^1$

素因数の和:4811552

約数の個数: 20

約数和(自身を含む): 4657564912

約数和(自身を除く): 1929425701

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4811533, 14434599, 33680731, 43303797, 101042193, 129911391, 303126579, 389734173, 909379737, 2728139211]

約数ペア:

[(1, 2728139211), (3, 909379737), (7, 389734173), (9, 303126579), (21, 129911391), (27, 101042193), (63, 43303797), (81, 33680731), (189, 14434599), (567, 4811533)]