720139251

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{2953}}^1$

素因数の和:3032

約数の個数: 32

約数和(自身を含む): 1068639040

約数和(自身を除く): 348499789

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1443, 2197, 2953, 6253, 6591, 8859, 18759, 38389, 81289, 109261, 115167, 243867, 327783, 499057, 1420393, 1497171, 4261179, 6487741, 18465109, 19463223, 55395327, 240046417, 720139251]

約数ペア:

[(1, 720139251), (3, 240046417), (13, 55395327), (37, 19463223), (39, 18465109), (111, 6487741), (169, 4261179), (481, 1497171), (507, 1420393), (1443, 499057), (2197, 327783), (2953, 243867), (6253, 115167), (6591, 109261), (8859, 81289), (18759, 38389)]