291010257

素因数分解:

$3^2\times {\mathrm{163}}^2\times {\mathrm{1217}}^1$

素因数の和:1549

約数の個数: 18

約数和(自身を含む): 423290322

約数和(自身を除く): 132280065

約数列:

[1, 3, 9, 163, 489, 1217, 1467, 3651, 10953, 26569, 79707, 198371, 239121, 595113, 1785339, 32334473, 97003419, 291010257]

約数ペア:

[(1, 291010257), (3, 97003419), (9, 32334473), (163, 1785339), (489, 595113), (1217, 239121), (1467, 198371), (3651, 79707), (10953, 26569)]