1388136963

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{428041}}^1$

素因数の和:428114

約数の個数: 16

約数和(自身を含む): 1972417536

約数和(自身を除く): 584280573

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 428041, 1284123, 9844943, 20117927, 29534829, 60353781, 462712321, 1388136963]

約数ペア:

[(1, 1388136963), (3, 462712321), (23, 60353781), (47, 29534829), (69, 20117927), (141, 9844943), (1081, 1284123), (3243, 428041)]