26971551

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{42209}}^1$

素因数の和:42286

約数の個数: 12

約数和(自身を含む): 39508560

約数和(自身を除く): 12537009

約数列:

[1, 3, 9, 71, 213, 639, 42209, 126627, 379881, 2996839, 8990517, 26971551]

約数ペア:

[(1, 26971551), (3, 8990517), (9, 2996839), (71, 379881), (213, 126627), (639, 42209)]