2891049

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 4563648

約数和(自身を除く): 1672599

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 277, 497, 831, 1491, 1939, 3479, 5817, 10437, 13573, 19667, 40719, 59001, 137669, 413007, 963683, 2891049]

約数ペア:

[(1, 2891049), (3, 963683), (7, 413007), (21, 137669), (49, 59001), (71, 40719), (147, 19667), (213, 13573), (277, 10437), (497, 5817), (831, 3479), (1491, 1939)]