28380093

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{8291}}^1$

素因数の和:8464

約数の個数: 16

約数和(自身を含む): 43516416

約数和(自身を除く): 15136323

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 8291, 24873, 58037, 174111, 1351433, 4054299, 9460031, 28380093]

約数ペア:

[(1, 28380093), (3, 9460031), (7, 4054299), (21, 1351433), (163, 174111), (489, 58037), (1141, 24873), (3423, 8291)]