866740239

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{1356401}}^1$

素因数の和:1356478

約数の個数: 12

約数和(自身を含む): 1269592272

約数和(自身を除く): 402852033

約数列:

[1, 3, 9, 71, 213, 639, 1356401, 4069203, 12207609, 96304471, 288913413, 866740239]

約数ペア:

[(1, 866740239), (3, 288913413), (9, 96304471), (71, 12207609), (213, 4069203), (639, 1356401)]