68811897

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 120121344

約数和(自身を除く): 51309447

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 83, 97, 111, 231, 249, 259, 291, 407, 581, 679, 777, 913, 1067, 1221, 1743, 2037, 2739, 2849, 3071, 3201, 3589, 6391, 7469, 8051, 8547, 9213, 10767, 19173, 21497, 22407, 24153, 25123, 33781, 39479, 56357, 64491, 75369, 88561, 101343, 118437, 169071, 236467, 265683, 276353, 297887, 619927, 709401, 829059, 893661, 1859781, 2085209, 3276757, 6255627, 9830271, 22937299, 68811897]

約数ペア:

[(1, 68811897), (3, 22937299), (7, 9830271), (11, 6255627), (21, 3276757), (33, 2085209), (37, 1859781), (77, 893661), (83, 829059), (97, 709401), (111, 619927), (231, 297887), (249, 276353), (259, 265683), (291, 236467), (407, 169071), (581, 118437), (679, 101343), (777, 88561), (913, 75369), (1067, 64491), (1221, 56357), (1743, 39479), (2037, 33781), (2739, 25123), (2849, 24153), (3071, 22407), (3201, 21497), (3589, 19173), (6391, 10767), (7469, 9213), (8051, 8547)]