813931479

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{8191}}^1$

素因数の和:8439

約数の個数: 24

約数和(自身を含む): 1201700864

約数和(自身を除く): 387769385

約数列:

[1, 3, 9, 61, 181, 183, 543, 549, 1629, 8191, 11041, 24573, 33123, 73719, 99369, 499651, 1482571, 1498953, 4447713, 4496859, 13343139, 90436831, 271310493, 813931479]

約数ペア:

[(1, 813931479), (3, 271310493), (9, 90436831), (61, 13343139), (181, 4496859), (183, 4447713), (543, 1498953), (549, 1482571), (1629, 499651), (8191, 99369), (11041, 73719), (24573, 33123)]