255165003

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{20441}}^1$

素因数の和:20539

約数の個数: 24

約数和(自身を含む): 393304080

約数和(自身を除く): 138139077

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 12483, 20441, 61323, 183969, 388379, 1165137, 1492193, 3495411, 4476579, 13429737, 28351667, 85055001, 255165003]

約数ペア:

[(1, 255165003), (3, 85055001), (9, 28351667), (19, 13429737), (57, 4476579), (73, 3495411), (171, 1492193), (219, 1165137), (657, 388379), (1387, 183969), (4161, 61323), (12483, 20441)]