216958335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{77347}}^1$

素因数の和:77383

約数の個数: 32

約数和(自身を含む): 400972032

約数和(自身を除く): 184013697

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 77347, 232041, 386735, 850817, 1160205, 1314899, 2552451, 3944697, 4254085, 6574495, 12762255, 14463889, 19723485, 43391667, 72319445, 216958335]

約数ペア:

[(1, 216958335), (3, 72319445), (5, 43391667), (11, 19723485), (15, 14463889), (17, 12762255), (33, 6574495), (51, 4254085), (55, 3944697), (85, 2552451), (165, 1314899), (187, 1160205), (255, 850817), (561, 386735), (935, 232041), (2805, 77347)]