28539897

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 38808000

約数和(自身を除く): 10268103

約数列:

[1, 3, 89, 139, 267, 417, 769, 2307, 12371, 37113, 68441, 106891, 205323, 320673, 9513299, 28539897]

約数ペア:

[(1, 28539897), (3, 9513299), (89, 320673), (139, 205323), (267, 106891), (417, 68441), (769, 37113), (2307, 12371)]