20161386399

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{280639}}^1$

素因数の和:280971

約数の個数: 32

約数和(自身を含む): 33622917120

約数和(自身を除く): 13461530721

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 311, 933, 2177, 3421, 6531, 10263, 23947, 71841, 280639, 841917, 1964473, 3087029, 5893419, 9261087, 21609203, 64827609, 87278729, 261836187, 610951103, 960066019, 1832853309, 2880198057, 6720462133, 20161386399]

約数ペア:

[(1, 20161386399), (3, 6720462133), (7, 2880198057), (11, 1832853309), (21, 960066019), (33, 610951103), (77, 261836187), (231, 87278729), (311, 64827609), (933, 21609203), (2177, 9261087), (3421, 5893419), (6531, 3087029), (10263, 1964473), (23947, 841917), (71841, 280639)]