28904157

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 42699384

約数和(自身を除く): 13795227

約数列:

[1, 3, 9, 97, 113, 291, 293, 339, 873, 879, 1017, 2637, 10961, 28421, 32883, 33109, 85263, 98649, 99327, 255789, 297981, 3211573, 9634719, 28904157]

約数ペア:

[(1, 28904157), (3, 9634719), (9, 3211573), (97, 297981), (113, 255789), (291, 99327), (293, 98649), (339, 85263), (873, 33109), (879, 32883), (1017, 28421), (2637, 10961)]