15561018492021

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{7894986551}}^1$

素因数の和:7894986633

約数の個数: 16

約数和(自身を含む): 23369160193920

約数和(自身を除く): 7808141701899

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 7894986551, 23684959653, 71054878959, 213164636877, 576334018223, 1729002054669, 5187006164007, 15561018492021]

約数ペア:

[(1, 15561018492021), (3, 5187006164007), (9, 1729002054669), (27, 576334018223), (73, 213164636877), (219, 71054878959), (657, 23684959653), (1971, 7894986551)]