208037973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25523}}^1$

素因数の和:25569

約数の個数: 32

約数和(自身を含む): 343042560

約数和(自身を除く): 135004587

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 25523, 76569, 280753, 331799, 484937, 842259, 995397, 1454811, 3649789, 5334307, 6304181, 10949367, 16002921, 18912543, 69345991, 208037973]

約数ペア:

[(1, 208037973), (3, 69345991), (11, 18912543), (13, 16002921), (19, 10949367), (33, 6304181), (39, 5334307), (57, 3649789), (143, 1454811), (209, 995397), (247, 842259), (429, 484937), (627, 331799), (741, 280753), (2717, 76569), (8151, 25523)]