28551987

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{9883}}^1$

素因数の和:9999

約数の個数: 16

約数和(自身を含む): 42698880

約数和(自身を除く): 14146893

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 9883, 29649, 88947, 266841, 1057481, 3172443, 9517329, 28551987]

約数ペア:

[(1, 28551987), (3, 9517329), (9, 3172443), (27, 1057481), (107, 266841), (321, 88947), (963, 29649), (2889, 9883)]