2891997

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{4657}}^1$

素因数の和:4689

約数の個数: 16

約数和(自身を含む): 4471680

約数和(自身を除く): 1579683

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 4657, 13971, 41913, 107111, 125739, 321333, 963999, 2891997]

約数ペア:

[(1, 2891997), (3, 963999), (9, 321333), (23, 125739), (27, 107111), (69, 41913), (207, 13971), (621, 4657)]