28392579

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 43794240

約数和(自身を除く): 15401661

約数列:

[1, 3, 9, 27, 37, 97, 111, 291, 293, 333, 873, 879, 999, 2619, 2637, 3589, 7911, 10767, 10841, 28421, 32301, 32523, 85263, 96903, 97569, 255789, 292707, 767367, 1051577, 3154731, 9464193, 28392579]

約数ペア:

[(1, 28392579), (3, 9464193), (9, 3154731), (27, 1051577), (37, 767367), (97, 292707), (111, 255789), (291, 97569), (293, 96903), (333, 85263), (873, 32523), (879, 32301), (999, 28421), (2619, 10841), (2637, 10767), (3589, 7911)]