7922889

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{5209}}^1$

素因数の和:5241

約数の個数: 18

約数和(自身を含む): 12394590

約数和(自身を除く): 4471701

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 5209, 15627, 46881, 67717, 203151, 609453, 880321, 2640963, 7922889]

約数ペア:

[(1, 7922889), (3, 2640963), (9, 880321), (13, 609453), (39, 203151), (117, 67717), (169, 46881), (507, 15627), (1521, 5209)]