68571531

素因数分解:

$3^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 117208000

約数和(自身を除く): 48636469

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 229, 291, 343, 441, 679, 687, 873, 1029, 1603, 2037, 2061, 3087, 4753, 4809, 6111, 11221, 14259, 14427, 22213, 33271, 33663, 42777, 66639, 78547, 99813, 100989, 155491, 199917, 235641, 299439, 466473, 706923, 1088437, 1399419, 3265311, 7619059, 9795933, 22857177, 68571531]

約数ペア:

[(1, 68571531), (3, 22857177), (7, 9795933), (9, 7619059), (21, 3265311), (49, 1399419), (63, 1088437), (97, 706923), (147, 466473), (229, 299439), (291, 235641), (343, 199917), (441, 155491), (679, 100989), (687, 99813), (873, 78547), (1029, 66639), (1603, 42777), (2037, 33663), (2061, 33271), (3087, 22213), (4753, 14427), (4809, 14259), (6111, 11221)]