165679911

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{3191}}^1$

素因数の和:3844

約数の個数: 20

約数和(自身を含む): 247960944

約数和(自身を除く): 82281033

約数列:

[1, 3, 9, 27, 81, 641, 1923, 3191, 5769, 9573, 17307, 28719, 51921, 86157, 258471, 2045431, 6136293, 18408879, 55226637, 165679911]

約数ペア:

[(1, 165679911), (3, 55226637), (9, 18408879), (27, 6136293), (81, 2045431), (641, 258471), (1923, 86157), (3191, 51921), (5769, 28719), (9573, 17307)]