638633523

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{29819}}^1$

素因数の和:29903

約数の個数: 24

約数和(自身を含む): 951854400

約数和(自身を除く): 313220877

約数列:

[1, 3, 11, 33, 59, 121, 177, 363, 649, 1947, 7139, 21417, 29819, 89457, 328009, 984027, 1759321, 3608099, 5277963, 10824297, 19352531, 58057593, 212877841, 638633523]

約数ペア:

[(1, 638633523), (3, 212877841), (11, 58057593), (33, 19352531), (59, 10824297), (121, 5277963), (177, 3608099), (363, 1759321), (649, 984027), (1947, 328009), (7139, 89457), (21417, 29819)]