81355687

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4517}}^1$

素因数の和:4638

約数の個数: 16

約数和(自身を含む): 97155072

約数和(自身を除く): 15799385

約数列:

[1, 7, 31, 83, 217, 581, 2573, 4517, 18011, 31619, 140027, 374911, 980189, 2624377, 11622241, 81355687]

約数ペア:

[(1, 81355687), (7, 11622241), (31, 2624377), (83, 980189), (217, 374911), (581, 140027), (2573, 31619), (4517, 18011)]