128032947

素因数分解:

$3^3\times 7^1\times {\mathrm{677423}}^1$

素因数の和:677439

約数の個数: 16

約数和(自身を含む): 216775680

約数和(自身を除く): 88742733

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 677423, 2032269, 4741961, 6096807, 14225883, 18290421, 42677649, 128032947]

約数ペア:

[(1, 128032947), (3, 42677649), (7, 18290421), (9, 14225883), (21, 6096807), (27, 4741961), (63, 2032269), (189, 677423)]