66987109

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3037}}^1$

素因数の和:3204

約数の個数: 16

約数和(自身を含む): 80494848

約数和(自身を除く): 13507739

約数列:

[1, 7, 23, 137, 161, 959, 3037, 3151, 21259, 22057, 69851, 416069, 488957, 2912483, 9569587, 66987109]

約数ペア:

[(1, 66987109), (7, 9569587), (23, 2912483), (137, 488957), (161, 416069), (959, 69851), (3037, 22057), (3151, 21259)]