12664989

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 19082232

約数和(自身を除く): 6417243

約数列:

[1, 3, 9, 37, 73, 111, 219, 333, 521, 657, 1563, 2701, 4689, 8103, 19277, 24309, 38033, 57831, 114099, 173493, 342297, 1407221, 4221663, 12664989]

約数ペア:

[(1, 12664989), (3, 4221663), (9, 1407221), (37, 342297), (73, 173493), (111, 114099), (219, 57831), (333, 38033), (521, 24309), (657, 19277), (1563, 8103), (2701, 4689)]