81173193

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{829}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 109639680

約数和(自身を除く): 28466487

約数列:

[1, 3, 127, 257, 381, 771, 829, 2487, 32639, 97917, 105283, 213053, 315849, 639159, 27057731, 81173193]

約数ペア:

[(1, 81173193), (3, 27057731), (127, 639159), (257, 315849), (381, 213053), (771, 105283), (829, 97917), (2487, 32639)]