61681321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3931}}^1$

素因数の和:4032

約数の個数: 16

約数和(自身を含む): 71342208

約数和(自身を除く): 9660887

約数列:

[1, 13, 17, 71, 221, 923, 1207, 3931, 15691, 51103, 66827, 279101, 868751, 3628313, 4744717, 61681321]

約数ペア:

[(1, 61681321), (13, 4744717), (17, 3628313), (71, 868751), (221, 279101), (923, 66827), (1207, 51103), (3931, 15691)]