686080449

素因数分解:

$3^4\times {\mathrm{1163}}^1\times {\mathrm{7283}}^1$

素因数の和:8458

約数の個数: 20

約数和(自身を含む): 1025907696

約数和(自身を除く): 339827247

約数列:

[1, 3, 9, 27, 81, 1163, 3489, 7283, 10467, 21849, 31401, 65547, 94203, 196641, 589923, 8470129, 25410387, 76231161, 228693483, 686080449]

約数ペア:

[(1, 686080449), (3, 228693483), (9, 76231161), (27, 25410387), (81, 8470129), (1163, 589923), (3489, 196641), (7283, 94203), (10467, 65547), (21849, 31401)]