1639359

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:596

約数の個数: 20

約数和(自身を含む): 2519704

約数和(自身を除く): 880345

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 547, 999, 1641, 2997, 4923, 14769, 20239, 44307, 60717, 182151, 546453, 1639359]

約数ペア:

[(1, 1639359), (3, 546453), (9, 182151), (27, 60717), (37, 44307), (81, 20239), (111, 14769), (333, 4923), (547, 2997), (999, 1641)]