16938663

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 26717040

約数和(自身を除く): 9778377

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 1889, 2989, 5667, 8967, 13223, 39669, 92561, 115229, 277683, 345687, 806603, 2419809, 5646221, 16938663]

約数ペア:

[(1, 16938663), (3, 5646221), (7, 2419809), (21, 806603), (49, 345687), (61, 277683), (147, 115229), (183, 92561), (427, 39669), (1281, 13223), (1889, 8967), (2989, 5667)]