28304577

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5413}}^1$

素因数の和:5509

約数の個数: 24

約数和(自身を含む): 47296704

約数和(自身を除く): 18992127

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 5413, 16239, 37891, 48717, 113673, 341019, 449279, 1347837, 3144953, 4043511, 9434859, 28304577]

約数ペア:

[(1, 28304577), (3, 9434859), (7, 4043511), (9, 3144953), (21, 1347837), (63, 449279), (83, 341019), (249, 113673), (581, 48717), (747, 37891), (1743, 16239), (5229, 5413)]