86993919

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{29027}}^1$

素因数の和:29076

約数の個数: 20

約数和(自身を含む): 133470744

約数和(自身を除く): 46476825

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 29027, 87081, 261243, 783729, 1073999, 2351187, 3221997, 9665991, 28997973, 86993919]

約数ペア:

[(1, 86993919), (3, 28997973), (9, 9665991), (27, 3221997), (37, 2351187), (81, 1073999), (111, 783729), (333, 261243), (999, 87081), (2997, 29027)]