131432457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 201422592

約数和(自身を除く): 69990135

約数列:

[1, 3, 13, 17, 39, 51, 137, 221, 411, 663, 1447, 1781, 2329, 4341, 5343, 6987, 18811, 24599, 30277, 56433, 73797, 90831, 198239, 319787, 594717, 959361, 2577107, 3370063, 7731321, 10110189, 43810819, 131432457]

約数ペア:

[(1, 131432457), (3, 43810819), (13, 10110189), (17, 7731321), (39, 3370063), (51, 2577107), (137, 959361), (221, 594717), (411, 319787), (663, 198239), (1447, 90831), (1781, 73797), (2329, 56433), (4341, 30277), (5343, 24599), (6987, 18811)]