2506689

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 3875040

約数和(自身を除く): 1368351

約数列:

[1, 3, 9, 19, 57, 107, 137, 171, 321, 411, 963, 1233, 2033, 2603, 6099, 7809, 14659, 18297, 23427, 43977, 131931, 278521, 835563, 2506689]

約数ペア:

[(1, 2506689), (3, 835563), (9, 278521), (19, 131931), (57, 43977), (107, 23427), (137, 18297), (171, 14659), (321, 7809), (411, 6099), (963, 2603), (1233, 2033)]