81986157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1627}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 129523680

約数和(自身を除く): 47537523

約数列:

[1, 3, 9, 11, 33, 99, 509, 1527, 1627, 4581, 4881, 5599, 14643, 16797, 17897, 50391, 53691, 161073, 828143, 2484429, 7453287, 9109573, 27328719, 81986157]

約数ペア:

[(1, 81986157), (3, 27328719), (9, 9109573), (11, 7453287), (33, 2484429), (99, 828143), (509, 161073), (1527, 53691), (1627, 50391), (4581, 17897), (4881, 16797), (5599, 14643)]