27812785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5593

約数の個数: 32

約数和(自身を含む): 44819712

約数和(自身を除く): 17006927

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 5557, 27785, 38899, 61127, 72241, 194495, 305635, 361205, 427889, 505687, 794651, 2139445, 2528435, 3973255, 5562557, 27812785]

約数ペア:

[(1, 27812785), (5, 5562557), (7, 3973255), (11, 2528435), (13, 2139445), (35, 794651), (55, 505687), (65, 427889), (77, 361205), (91, 305635), (143, 194495), (385, 72241), (455, 61127), (715, 38899), (1001, 27785), (5005, 5557)]