218607639

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1\times {\mathrm{2447}}^1$

素因数の和:2854

約数の個数: 16

約数和(自身を含む): 295561728

約数和(自身を除く): 76954089

約数列:

[1, 3, 97, 291, 307, 921, 2447, 7341, 29779, 89337, 237359, 712077, 751229, 2253687, 72869213, 218607639]

約数ペア:

[(1, 218607639), (3, 72869213), (97, 2253687), (291, 751229), (307, 712077), (921, 237359), (2447, 89337), (7341, 29779)]