8969989

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{3001}}^1$

素因数の和:3076

約数の個数: 12

約数和(自身を含む): 10609068

約数和(自身を除く): 1639079

約数列:

[1, 7, 49, 61, 427, 2989, 3001, 21007, 147049, 183061, 1281427, 8969989]

約数ペア:

[(1, 8969989), (7, 1281427), (49, 183061), (61, 147049), (427, 21007), (2989, 3001)]