81222721

素因数分解:

${\mathrm{47}}^2\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:620

約数の個数: 12

約数和(自身を含む): 84177072

約数和(自身を除く): 2954351

約数列:

[1, 47, 83, 443, 2209, 3901, 20821, 36769, 183347, 978587, 1728143, 81222721]

約数ペア:

[(1, 81222721), (47, 1728143), (83, 978587), (443, 183347), (2209, 36769), (3901, 20821)]