26856297

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17657}}^1$

素因数の和:17689

約数の個数: 18

約数和(自身を含む): 42008382

約数和(自身を除く): 15152085

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 17657, 52971, 158913, 229541, 688623, 2065869, 2984033, 8952099, 26856297]

約数ペア:

[(1, 26856297), (3, 8952099), (9, 2984033), (13, 2065869), (39, 688623), (117, 229541), (169, 158913), (507, 52971), (1521, 17657)]