16689753

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 8971047

約数列:

[1, 3, 9, 27, 53, 107, 109, 159, 321, 327, 477, 963, 981, 1431, 2889, 2943, 5671, 5777, 11663, 17013, 17331, 34989, 51039, 51993, 104967, 153117, 155979, 314901, 618139, 1854417, 5563251, 16689753]

約数ペア:

[(1, 16689753), (3, 5563251), (9, 1854417), (27, 618139), (53, 314901), (107, 155979), (109, 153117), (159, 104967), (321, 51993), (327, 51039), (477, 34989), (963, 17331), (981, 17013), (1431, 11663), (2889, 5777), (2943, 5671)]