678924945

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{12689}}^1$

素因数の和:12770

約数の個数: 48

約数和(自身を含む): 1247173200

約数和(自身を除く): 568248255

約数列:

[1, 3, 5, 9, 15, 29, 41, 45, 87, 123, 145, 205, 261, 369, 435, 615, 1189, 1305, 1845, 3567, 5945, 10701, 12689, 17835, 38067, 53505, 63445, 114201, 190335, 367981, 520249, 571005, 1103943, 1560747, 1839905, 2601245, 3311829, 4682241, 5519715, 7803735, 15087221, 16559145, 23411205, 45261663, 75436105, 135784989, 226308315, 678924945]

約数ペア:

[(1, 678924945), (3, 226308315), (5, 135784989), (9, 75436105), (15, 45261663), (29, 23411205), (41, 16559145), (45, 15087221), (87, 7803735), (123, 5519715), (145, 4682241), (205, 3311829), (261, 2601245), (369, 1839905), (435, 1560747), (615, 1103943), (1189, 571005), (1305, 520249), (1845, 367981), (3567, 190335), (5945, 114201), (10701, 63445), (12689, 53505), (17835, 38067)]