2017309581

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{450997}}^1$

素因数の和:451081

約数の個数: 24

約数和(自身を含む): 3377073024

約数和(自身を除く): 1359763443

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 450997, 1352991, 3156979, 4058973, 9470937, 28412811, 32020787, 96062361, 224145509, 288187083, 672436527, 2017309581]

約数ペア:

[(1, 2017309581), (3, 672436527), (7, 288187083), (9, 224145509), (21, 96062361), (63, 32020787), (71, 28412811), (213, 9470937), (497, 4058973), (639, 3156979), (1491, 1352991), (4473, 450997)]