28789731

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5431}}^1$

素因数の和:5487

約数の個数: 24

約数和(自身を含む): 45194240

約数和(自身を除く): 16404509

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 5301, 5431, 16293, 48879, 103189, 168361, 309567, 505083, 928701, 1515249, 3198859, 9596577, 28789731]

約数ペア:

[(1, 28789731), (3, 9596577), (9, 3198859), (19, 1515249), (31, 928701), (57, 505083), (93, 309567), (171, 168361), (279, 103189), (589, 48879), (1767, 16293), (5301, 5431)]