28138743

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 41583360

約数和(自身を除く): 13444617

約数列:

[1, 3, 9, 83, 139, 249, 271, 417, 747, 813, 1251, 2439, 11537, 22493, 34611, 37669, 67479, 103833, 113007, 202437, 339021, 3126527, 9379581, 28138743]

約数ペア:

[(1, 28138743), (3, 9379581), (9, 3126527), (83, 339021), (139, 202437), (249, 113007), (271, 103833), (417, 67479), (747, 37669), (813, 34611), (1251, 22493), (2439, 11537)]