28067889

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3203}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 39370752

約数和(自身を除く): 11302863

約数列:

[1, 3, 23, 69, 127, 381, 2921, 3203, 8763, 9609, 73669, 221007, 406781, 1220343, 9355963, 28067889]

約数ペア:

[(1, 28067889), (3, 9355963), (23, 1220343), (69, 406781), (127, 221007), (381, 73669), (2921, 9609), (3203, 8763)]