27881049

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{787}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 43478688

約数和(自身を除く): 15597639

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 787, 1687, 2361, 5061, 5509, 11809, 16527, 35427, 38563, 115689, 189667, 569001, 1327669, 3983007, 9293683, 27881049]

約数ペア:

[(1, 27881049), (3, 9293683), (7, 3983007), (21, 1327669), (49, 569001), (147, 189667), (241, 115689), (723, 38563), (787, 35427), (1687, 16527), (2361, 11809), (5061, 5509)]