86721831

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7207}}^1$

素因数の和:7411

約数の個数: 24

約数和(自身を含む): 143929344

約数和(自身を除く): 57207513

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 4011, 7207, 12033, 21621, 50449, 64863, 151347, 454041, 1376537, 4129611, 9635759, 12388833, 28907277, 86721831]

約数ペア:

[(1, 86721831), (3, 28907277), (7, 12388833), (9, 9635759), (21, 4129611), (63, 1376537), (191, 454041), (573, 151347), (1337, 64863), (1719, 50449), (4011, 21621), (7207, 12033)]