81837585

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21911}}^1$

素因数の和:22005

約数の個数: 24

約数和(自身を含む): 143567424

約数和(自身を除く): 61729839

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21911, 65733, 109555, 197199, 328665, 985995, 1818613, 5455839, 9093065, 16367517, 27279195, 81837585]

約数ペア:

[(1, 81837585), (3, 27279195), (5, 16367517), (9, 9093065), (15, 5455839), (45, 1818613), (83, 985995), (249, 328665), (415, 197199), (747, 109555), (1245, 65733), (3735, 21911)]