28026189

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 14741811

約数列:

[1, 3, 9, 27, 89, 107, 109, 267, 321, 327, 801, 963, 981, 2403, 2889, 2943, 9523, 9701, 11663, 28569, 29103, 34989, 85707, 87309, 104967, 257121, 261927, 314901, 1038007, 3114021, 9342063, 28026189]

約数ペア:

[(1, 28026189), (3, 9342063), (9, 3114021), (27, 1038007), (89, 314901), (107, 261927), (109, 257121), (267, 104967), (321, 87309), (327, 85707), (801, 34989), (963, 29103), (981, 28569), (2403, 11663), (2889, 9701), (2943, 9523)]