1247165907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{450403}}^1$

素因数の和:450490

約数の個数: 16

約数和(自身を含む): 1816028928

約数和(自身を除く): 568863021

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 450403, 1351209, 5855239, 17565717, 31978613, 95935839, 415721969, 1247165907]

約数ペア:

[(1, 1247165907), (3, 415721969), (13, 95935839), (39, 31978613), (71, 17565717), (213, 5855239), (923, 1351209), (2769, 450403)]