1289244897

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{654107}}^1$

素因数の和:654189

約数の個数: 16

約数和(自身を含む): 1936159680

約数和(自身を除く): 646914783

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 654107, 1962321, 5886963, 17660889, 47749811, 143249433, 429748299, 1289244897]

約数ペア:

[(1, 1289244897), (3, 429748299), (9, 143249433), (27, 47749811), (73, 17660889), (219, 5886963), (657, 1962321), (1971, 654107)]