25784289

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{40351}}^1$

素因数の和:40428

約数の個数: 12

約数和(自身を含む): 37769472

約数和(自身を除く): 11985183

約数列:

[1, 3, 9, 71, 213, 639, 40351, 121053, 363159, 2864921, 8594763, 25784289]

約数ペア:

[(1, 25784289), (3, 8594763), (9, 2864921), (71, 363159), (213, 121053), (639, 40351)]