217470885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{852827}}^1$

素因数の和:852852

約数の個数: 16

約数和(自身を含む): 368421696

約数和(自身を除く): 150950811

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 852827, 2558481, 4264135, 12792405, 14498059, 43494177, 72490295, 217470885]

約数ペア:

[(1, 217470885), (3, 72490295), (5, 43494177), (15, 14498059), (17, 12792405), (51, 4264135), (85, 2558481), (255, 852827)]