3784727997

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{640069}}^1$

素因数の和:640154

約数の個数: 20

約数和(自身を含む): 5731186780

約数和(自身を除く): 1946458783

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 640069, 1920207, 5760621, 17281863, 46725037, 51845589, 140175111, 420525333, 1261575999, 3784727997]

約数ペア:

[(1, 3784727997), (3, 1261575999), (9, 420525333), (27, 140175111), (73, 51845589), (81, 46725037), (219, 17281863), (657, 5760621), (1971, 1920207), (5913, 640069)]