47691261

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{15913}}^1$

素因数の和:15962

約数の個数: 20

約数和(自身を含む): 73172572

約数和(自身を除く): 25481311

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 15913, 47739, 143217, 429651, 588781, 1288953, 1766343, 5299029, 15897087, 47691261]

約数ペア:

[(1, 47691261), (3, 15897087), (9, 5299029), (27, 1766343), (37, 1288953), (81, 588781), (111, 429651), (333, 143217), (999, 47739), (2997, 15913)]