669968361

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{670639}}^1$

素因数の和:670685

約数の個数: 16

約数和(自身を含む): 1019372800

約数和(自身を除く): 349404439

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 670639, 2011917, 6035751, 18107253, 24813643, 74440929, 223322787, 669968361]

約数ペア:

[(1, 669968361), (3, 223322787), (9, 74440929), (27, 24813643), (37, 18107253), (111, 6035751), (333, 2011917), (999, 670639)]