28309551

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 39778704

約数和(自身を除く): 11469153

約数列:

[1, 3, 37, 61, 111, 113, 183, 339, 1369, 2257, 4107, 4181, 6771, 6893, 12543, 20679, 83509, 154697, 250527, 255041, 464091, 765123, 9436517, 28309551]

約数ペア:

[(1, 28309551), (3, 9436517), (37, 765123), (61, 464091), (111, 255041), (113, 250527), (183, 154697), (339, 83509), (1369, 20679), (2257, 12543), (4107, 6893), (4181, 6771)]