208664840769

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{903310999}}^1$

素因数の和:903311020

約数の個数: 16

約数和(自身を含む): 346871424000

約数和(自身を除く): 138206583231

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 903310999, 2709932997, 6323176993, 9936420989, 18969530979, 29809262967, 69554946923, 208664840769]

約数ペア:

[(1, 208664840769), (3, 69554946923), (7, 29809262967), (11, 18969530979), (21, 9936420989), (33, 6323176993), (77, 2709932997), (231, 903310999)]