55390775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{18311}}^1$

素因数の和:18343

約数の個数: 18

約数和(自身を含む): 75500376

約数和(自身を除く): 20109601

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 18311, 91555, 201421, 457775, 1007105, 2215631, 5035525, 11078155, 55390775]

約数ペア:

[(1, 55390775), (5, 11078155), (11, 5035525), (25, 2215631), (55, 1007105), (121, 457775), (275, 201421), (605, 91555), (3025, 18311)]