64572009

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{2957}}^1$

素因数の和:3240

約数の個数: 16

約数和(自身を含む): 89449920

約数和(自身を除く): 24877911

約数列:

[1, 3, 29, 87, 251, 753, 2957, 7279, 8871, 21837, 85753, 257259, 742207, 2226621, 21524003, 64572009]

約数ペア:

[(1, 64572009), (3, 21524003), (29, 2226621), (87, 742207), (251, 257259), (753, 85753), (2957, 21837), (7279, 8871)]