280912707

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{439613}}^1$

素因数の和:439690

約数の個数: 12

約数和(自身を含む): 411478704

約数和(自身を除く): 130565997

約数列:

[1, 3, 9, 71, 213, 639, 439613, 1318839, 3956517, 31212523, 93637569, 280912707]

約数ペア:

[(1, 280912707), (3, 93637569), (9, 31212523), (71, 3956517), (213, 1318839), (639, 439613)]