71697069

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{21589}}^1$

素因数の和:21642

約数の個数: 20

約数和(自身を含む): 109720380

約数和(自身を除く): 38023311

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 21589, 64767, 194301, 582903, 885149, 1748709, 2655447, 7966341, 23899023, 71697069]

約数ペア:

[(1, 71697069), (3, 23899023), (9, 7966341), (27, 2655447), (41, 1748709), (81, 885149), (123, 582903), (369, 194301), (1107, 64767), (3321, 21589)]