53893497

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 85120000

約数和(自身を除く): 31226503

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 499, 777, 973, 1497, 2919, 3493, 5143, 10479, 15429, 18463, 36001, 55389, 69361, 108003, 129241, 208083, 387723, 485527, 1456581, 2566357, 7699071, 17964499, 53893497]

約数ペア:

[(1, 53893497), (3, 17964499), (7, 7699071), (21, 2566357), (37, 1456581), (111, 485527), (139, 387723), (259, 208083), (417, 129241), (499, 108003), (777, 69361), (973, 55389), (1497, 36001), (2919, 18463), (3493, 15429), (5143, 10479)]