68706561

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6917}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 116886528

約数和(自身を除く): 48179967

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 3311, 6917, 9933, 20751, 48419, 76087, 145257, 228261, 297431, 532609, 892293, 1597827, 2082017, 3271741, 6246051, 9815223, 22902187, 68706561]

約数ペア:

[(1, 68706561), (3, 22902187), (7, 9815223), (11, 6246051), (21, 3271741), (33, 2082017), (43, 1597827), (77, 892293), (129, 532609), (231, 297431), (301, 228261), (473, 145257), (903, 76087), (1419, 48419), (3311, 20751), (6917, 9933)]