1990289979

素因数分解:

$3^2\times {\mathrm{1063}}^1\times {\mathrm{208037}}^1$

素因数の和:209106

約数の個数: 12

約数和(自身を含む): 2877581616

約数和(自身を除く): 887291637

約数列:

[1, 3, 9, 1063, 3189, 9567, 208037, 624111, 1872333, 221143331, 663429993, 1990289979]

約数ペア:

[(1, 1990289979), (3, 663429993), (9, 221143331), (1063, 1872333), (3189, 624111), (9567, 208037)]