64971291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2053}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 108845568

約数和(自身を除く): 43874277

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2053, 2877, 4521, 6159, 10549, 14371, 22583, 31647, 43113, 67749, 158081, 281261, 474243, 843783, 1968827, 3093871, 5906481, 9281613, 21657097, 64971291]

約数ペア:

[(1, 64971291), (3, 21657097), (7, 9281613), (11, 5906481), (21, 3093871), (33, 1968827), (77, 843783), (137, 474243), (231, 281261), (411, 158081), (959, 67749), (1507, 43113), (2053, 31647), (2877, 22583), (4521, 14371), (6159, 10549)]