25966905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 18615495

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1289, 1343, 3867, 4029, 6445, 6715, 19335, 20145, 21913, 65739, 101831, 109565, 305493, 328695, 509155, 1527465, 1731127, 5193381, 8655635, 25966905]

約数ペア:

[(1, 25966905), (3, 8655635), (5, 5193381), (15, 1731127), (17, 1527465), (51, 509155), (79, 328695), (85, 305493), (237, 109565), (255, 101831), (395, 65739), (1185, 21913), (1289, 20145), (1343, 19335), (3867, 6715), (4029, 6445)]