668839767

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{26729}}^1$

素因数の和:27190

約数の個数: 16

約数和(自身を含む): 940896000

約数和(自身を除く): 272056233

約数列:

[1, 3, 19, 57, 439, 1317, 8341, 25023, 26729, 80187, 507851, 1523553, 11734031, 35202093, 222946589, 668839767]

約数ペア:

[(1, 668839767), (3, 222946589), (19, 35202093), (57, 11734031), (439, 1523553), (1317, 507851), (8341, 80187), (25023, 26729)]