2897991

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 4324320

約数和(自身を除く): 1426329

約数列:

[1, 3, 9, 27, 181, 543, 593, 1629, 1779, 4887, 5337, 16011, 107333, 321999, 965997, 2897991]

約数ペア:

[(1, 2897991), (3, 965997), (9, 321999), (27, 107333), (181, 16011), (543, 5337), (593, 4887), (1629, 1779)]