2728789

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 3449088

約数和(自身を除く): 720299

約数列:

[1, 7, 17, 23, 119, 161, 391, 997, 2737, 6979, 16949, 22931, 118643, 160517, 389827, 2728789]

約数ペア:

[(1, 2728789), (7, 389827), (17, 160517), (23, 118643), (119, 22931), (161, 16949), (391, 6979), (997, 2737)]