27921663

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 51507456

約数和(自身を除く): 23585793

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 937, 1419, 2709, 2811, 3311, 4257, 6559, 8433, 9933, 10307, 19677, 29799, 30921, 40291, 59031, 72149, 92763, 120873, 216447, 282037, 362619, 443201, 649341, 846111, 1329603, 2538333, 3102407, 3988809, 9307221, 27921663]

約数ペア:

[(1, 27921663), (3, 9307221), (7, 3988809), (9, 3102407), (11, 2538333), (21, 1329603), (33, 846111), (43, 649341), (63, 443201), (77, 362619), (99, 282037), (129, 216447), (231, 120873), (301, 92763), (387, 72149), (473, 59031), (693, 40291), (903, 30921), (937, 29799), (1419, 19677), (2709, 10307), (2811, 9933), (3311, 8433), (4257, 6559)]