2066705781

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{379979}}^1$

素因数の和:380033

約数の個数: 24

約数和(自身を含む): 3292146720

約数和(自身を除く): 1225440939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 379979, 1139937, 2659853, 7979559, 14059223, 18618971, 42177669, 55856913, 98414561, 295243683, 688901927, 2066705781]

約数ペア:

[(1, 2066705781), (3, 688901927), (7, 295243683), (21, 98414561), (37, 55856913), (49, 42177669), (111, 18618971), (147, 14059223), (259, 7979559), (777, 2659853), (1813, 1139937), (5439, 379979)]