668826291

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{17509}}^1$

素因数の和:17643

約数の個数: 32

約数和(自身を含む): 1089262080

約数和(自身を除く): 420435789

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2247, 5457, 12733, 17509, 38199, 52527, 122563, 297653, 367689, 892959, 1873463, 2083571, 5620389, 6250713, 13114241, 31848871, 39342723, 95546613, 222942097, 668826291]

約数ペア:

[(1, 668826291), (3, 222942097), (7, 95546613), (17, 39342723), (21, 31848871), (51, 13114241), (107, 6250713), (119, 5620389), (321, 2083571), (357, 1873463), (749, 892959), (1819, 367689), (2247, 297653), (5457, 122563), (12733, 52527), (17509, 38199)]