639736041

素因数分解:

$3^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{27127}}^1$

素因数の和:28260

約数の個数: 16

約数和(自身を含む): 975739904

約数和(自身を除く): 336003863

約数列:

[1, 3, 7, 21, 1123, 3369, 7861, 23583, 27127, 81381, 189889, 569667, 30463621, 91390863, 213245347, 639736041]

約数ペア:

[(1, 639736041), (3, 213245347), (7, 91390863), (21, 30463621), (1123, 569667), (3369, 189889), (7861, 81381), (23583, 27127)]