27445405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 10536035

約数列:

[1, 5, 13, 19, 65, 71, 95, 247, 313, 355, 923, 1235, 1349, 1565, 4069, 4615, 5947, 6745, 17537, 20345, 22223, 29735, 77311, 87685, 111115, 288899, 386555, 422237, 1444495, 2111185, 5489081, 27445405]

約数ペア:

[(1, 27445405), (5, 5489081), (13, 2111185), (19, 1444495), (65, 422237), (71, 386555), (95, 288899), (247, 111115), (313, 87685), (355, 77311), (923, 29735), (1235, 22223), (1349, 20345), (1565, 17537), (4069, 6745), (4615, 5947)]