64720689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 99698688

約数和(自身を除く): 34977999

約数列:

[1, 3, 11, 23, 33, 69, 71, 213, 253, 759, 781, 1201, 1633, 2343, 3603, 4899, 13211, 17963, 27623, 39633, 53889, 82869, 85271, 255813, 303853, 911559, 937981, 1961233, 2813943, 5883699, 21573563, 64720689]

約数ペア:

[(1, 64720689), (3, 21573563), (11, 5883699), (23, 2813943), (33, 1961233), (69, 937981), (71, 911559), (213, 303853), (253, 255813), (759, 85271), (781, 82869), (1201, 53889), (1633, 39633), (2343, 27623), (3603, 17963), (4899, 13211)]