15691981986

素因数分解:

$2^1\times 3^3\times {\mathrm{1321}}^1\times {\mathrm{219979}}^1$

素因数の和:221311

約数の個数: 32

約数和(自身を含む): 34897627200

約数和(自身を除く): 19205645214

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1321, 2642, 3963, 7926, 11889, 23778, 35667, 71334, 219979, 439958, 659937, 1319874, 1979811, 3959622, 5939433, 11878866, 290592259, 581184518, 871776777, 1743553554, 2615330331, 5230660662, 7845990993, 15691981986]

約数ペア:

[(1, 15691981986), (2, 7845990993), (3, 5230660662), (6, 2615330331), (9, 1743553554), (18, 871776777), (27, 581184518), (54, 290592259), (1321, 11878866), (2642, 5939433), (3963, 3959622), (7926, 1979811), (11889, 1319874), (23778, 659937), (35667, 439958), (71334, 219979)]