28764963

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{937}}^1$

素因数の和:1328

約数の個数: 20

約数和(自身を含む): 43129240

約数和(自身を除く): 14364277

約数列:

[1, 3, 9, 27, 81, 379, 937, 1137, 2811, 3411, 8433, 10233, 25299, 30699, 75897, 355123, 1065369, 3196107, 9588321, 28764963]

約数ペア:

[(1, 28764963), (3, 9588321), (9, 3196107), (27, 1065369), (81, 355123), (379, 75897), (937, 30699), (1137, 25299), (2811, 10233), (3411, 8433)]