26779851

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5987}}^1$

素因数の和:6071

約数の個数: 24

約数和(自身を含む): 44838144

約数和(自身を除く): 18058293

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 5987, 17961, 41909, 53883, 125727, 377181, 425077, 1275231, 2975539, 3825693, 8926617, 26779851]

約数ペア:

[(1, 26779851), (3, 8926617), (7, 3825693), (9, 2975539), (21, 1275231), (63, 425077), (71, 377181), (213, 125727), (497, 53883), (639, 41909), (1491, 17961), (4473, 5987)]