81049869

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{81131}}^1$

素因数の和:81177

約数の個数: 16

約数和(自身を含む): 123320640

約数和(自身を除く): 42270771

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 81131, 243393, 730179, 2190537, 3001847, 9005541, 27016623, 81049869]

約数ペア:

[(1, 81049869), (3, 27016623), (9, 9005541), (27, 3001847), (37, 2190537), (111, 730179), (333, 243393), (999, 81131)]