81889029

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{81971}}^1$

素因数の和:82017

約数の個数: 16

約数和(自身を含む): 124597440

約数和(自身を除く): 42708411

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 81971, 245913, 737739, 2213217, 3032927, 9098781, 27296343, 81889029]

約数ペア:

[(1, 81889029), (3, 27296343), (9, 9098781), (27, 3032927), (37, 2213217), (111, 737739), (333, 245913), (999, 81971)]