1980231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2646

約数の個数: 16

約数和(自身を含む): 3006720

約数和(自身を除く): 1026489

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 2609, 7827, 28699, 60007, 86097, 180021, 660077, 1980231]

約数ペア:

[(1, 1980231), (3, 660077), (11, 180021), (23, 86097), (33, 60007), (69, 28699), (253, 7827), (759, 2609)]