2857809

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 4047680

約数和(自身を除く): 1189871

約数列:

[1, 3, 19, 57, 181, 277, 543, 831, 3439, 5263, 10317, 15789, 50137, 150411, 952603, 2857809]

約数ペア:

[(1, 2857809), (3, 952603), (19, 150411), (57, 50137), (181, 15789), (277, 10317), (543, 5263), (831, 3439)]