28788890067

素因数分解:

$3^2\times 7^1\times {\mathrm{456966509}}^1$

素因数の和:456966522

約数の個数: 12

約数和(自身を含む): 47524517040

約数和(自身を除く): 18735626973

約数列:

[1, 3, 7, 9, 21, 63, 456966509, 1370899527, 3198765563, 4112698581, 9596296689, 28788890067]

約数ペア:

[(1, 28788890067), (3, 9596296689), (7, 4112698581), (9, 3198765563), (21, 1370899527), (63, 456966509)]