2989742007

素因数分解:

$3^1\times 7^4\times {\mathrm{415069}}^1$

素因数の和:415100

約数の個数: 20

約数和(自身を含む): 4650444280

約数和(自身を除く): 1660702273

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 415069, 1245207, 2905483, 8716449, 20338381, 61015143, 142368667, 427106001, 996580669, 2989742007]

約数ペア:

[(1, 2989742007), (3, 996580669), (7, 427106001), (21, 142368667), (49, 61015143), (147, 20338381), (343, 8716449), (1029, 2905483), (2401, 1245207), (7203, 415069)]