28216863

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{9767}}^1$

素因数の和:9883

約数の個数: 16

約数和(自身を含む): 42197760

約数和(自身を除く): 13980897

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 9767, 29301, 87903, 263709, 1045069, 3135207, 9405621, 28216863]

約数ペア:

[(1, 28216863), (3, 9405621), (9, 3135207), (27, 1045069), (107, 263709), (321, 87903), (963, 29301), (2889, 9767)]