201819897

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{43207}}^1$

素因数の和:43389

約数の個数: 16

約数和(自身を含む): 300727680

約数和(自身を除く): 98907783

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 43207, 129621, 388863, 1166589, 7474811, 22424433, 67273299, 201819897]

約数ペア:

[(1, 201819897), (3, 67273299), (9, 22424433), (27, 7474811), (173, 1166589), (519, 388863), (1557, 129621), (4671, 43207)]