28108563

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{13799}}^1$

素因数の和:13906

約数の個数: 16

約数和(自身を含む): 43276800

約数和(自身を除く): 15168237

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 13799, 41397, 96593, 289779, 1338503, 4015509, 9369521, 28108563]

約数ペア:

[(1, 28108563), (3, 9369521), (7, 4015509), (21, 1338503), (97, 289779), (291, 96593), (679, 41397), (2037, 13799)]