13887775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4591}}^1$

素因数の和:4623

約数の個数: 18

約数和(自身を含む): 18932816

約数和(自身を除く): 5045041

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4591, 22955, 50501, 114775, 252505, 555511, 1262525, 2777555, 13887775]

約数ペア:

[(1, 13887775), (5, 2777555), (11, 1262525), (25, 555511), (55, 252505), (121, 114775), (275, 50501), (605, 22955), (3025, 4591)]