81037881

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{81119}}^1$

素因数の和:81165

約数の個数: 16

約数和(自身を含む): 123302400

約数和(自身を除く): 42264519

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 81119, 243357, 730071, 2190213, 3001403, 9004209, 27012627, 81037881]

約数ペア:

[(1, 81037881), (3, 27012627), (9, 9004209), (27, 3001403), (37, 2190213), (111, 730071), (333, 243357), (999, 81119)]