28427205

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12071}}^1$

素因数の和:12236

約数の個数: 16

約数和(自身を含む): 45777024

約数和(自身を除く): 17349819

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 12071, 36213, 60355, 181065, 1895147, 5685441, 9475735, 28427205]

約数ペア:

[(1, 28427205), (3, 9475735), (5, 5685441), (15, 1895147), (157, 181065), (471, 60355), (785, 36213), (2355, 12071)]