27678465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 51459408

約数和(自身を除く): 23780943

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 97, 153, 255, 291, 373, 485, 765, 873, 1119, 1455, 1649, 1865, 3357, 4365, 4947, 5595, 6341, 8245, 14841, 16785, 19023, 24735, 31705, 36181, 57069, 74205, 95115, 108543, 180905, 285345, 325629, 542715, 615077, 1628145, 1845231, 3075385, 5535693, 9226155, 27678465]

約数ペア:

[(1, 27678465), (3, 9226155), (5, 5535693), (9, 3075385), (15, 1845231), (17, 1628145), (45, 615077), (51, 542715), (85, 325629), (97, 285345), (153, 180905), (255, 108543), (291, 95115), (373, 74205), (485, 57069), (765, 36181), (873, 31705), (1119, 24735), (1455, 19023), (1649, 16785), (1865, 14841), (3357, 8245), (4365, 6341), (4947, 5595)]