2009408865

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{680003}}^1$

素因数の和:680208

約数の個数: 16

約数和(自身を含む): 3231379008

約数和(自身を除く): 1221970143

約数列:

[1, 3, 5, 15, 197, 591, 985, 2955, 680003, 2040009, 3400015, 10200045, 133960591, 401881773, 669802955, 2009408865]

約数ペア:

[(1, 2009408865), (3, 669802955), (5, 401881773), (15, 133960591), (197, 10200045), (591, 3400015), (985, 2040009), (2955, 680003)]