16643221

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 21318080

約数和(自身を除く): 4674859

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 433, 2023, 2261, 3031, 5491, 7361, 8227, 38437, 51527, 57589, 125137, 139859, 875959, 979013, 2377603, 16643221]

約数ペア:

[(1, 16643221), (7, 2377603), (17, 979013), (19, 875959), (119, 139859), (133, 125137), (289, 57589), (323, 51527), (433, 38437), (2023, 8227), (2261, 7361), (3031, 5491)]