12987507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 20805120

約数和(自身を除く): 7817613

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1031, 3093, 4199, 12597, 13403, 17527, 19589, 40209, 52581, 58767, 227851, 254657, 333013, 683553, 763971, 999039, 4329169, 12987507]

約数ペア:

[(1, 12987507), (3, 4329169), (13, 999039), (17, 763971), (19, 683553), (39, 333013), (51, 254657), (57, 227851), (221, 58767), (247, 52581), (323, 40209), (663, 19589), (741, 17527), (969, 13403), (1031, 12597), (3093, 4199)]