81329994

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{26423}}^1$

素因数の和:26456

約数の個数: 40

約数和(自身を含む): 191838240

約数和(自身を除く): 110508246

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 26423, 52846, 79269, 158538, 237807, 475614, 502037, 713421, 1004074, 1426842, 1506111, 2140263, 3012222, 4280526, 4518333, 9036666, 13554999, 27109998, 40664997, 81329994]

約数ペア:

[(1, 81329994), (2, 40664997), (3, 27109998), (6, 13554999), (9, 9036666), (18, 4518333), (19, 4280526), (27, 3012222), (38, 2140263), (54, 1506111), (57, 1426842), (81, 1004074), (114, 713421), (162, 502037), (171, 475614), (342, 237807), (513, 158538), (1026, 79269), (1539, 52846), (3078, 26423)]