28070019

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 41867280

約数和(自身を除く): 13797261

約数列:

[1, 3, 9, 53, 83, 159, 249, 477, 709, 747, 2127, 4399, 6381, 13197, 37577, 39591, 58847, 112731, 176541, 338193, 529623, 3118891, 9356673, 28070019]

約数ペア:

[(1, 28070019), (3, 9356673), (9, 3118891), (53, 529623), (83, 338193), (159, 176541), (249, 112731), (477, 58847), (709, 39591), (747, 37577), (2127, 13197), (4399, 6381)]