1621812963

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{80603}}^1$

素因数の和:80978

約数の個数: 16

約数和(自身を含む): 2282705280

約数和(自身を除く): 660892317

約数列:

[1, 3, 19, 57, 353, 1059, 6707, 20121, 80603, 241809, 1531457, 4594371, 28452859, 85358577, 540604321, 1621812963]

約数ペア:

[(1, 1621812963), (3, 540604321), (19, 85358577), (57, 28452859), (353, 4594371), (1059, 1531457), (6707, 241809), (20121, 80603)]