28587717

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{293}}^2$

素因数の和:629

約数の個数: 18

約数和(自身を含む): 42554642

約数和(自身を除く): 13966925

約数列:

[1, 3, 9, 37, 111, 293, 333, 879, 2637, 10841, 32523, 85849, 97569, 257547, 772641, 3176413, 9529239, 28587717]

約数ペア:

[(1, 28587717), (3, 9529239), (9, 3176413), (37, 772641), (111, 257547), (293, 97569), (333, 85849), (879, 32523), (2637, 10841)]