128385285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1222717}}^1$

素因数の和:1222732

約数の個数: 16

約数和(自身を含む): 234761856

約数和(自身を除く): 106376571

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1222717, 3668151, 6113585, 8559019, 18340755, 25677057, 42795095, 128385285]

約数ペア:

[(1, 128385285), (3, 42795095), (5, 25677057), (7, 18340755), (15, 8559019), (21, 6113585), (35, 3668151), (105, 1222717)]