81903471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1033}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 125072640

約数和(自身を除く): 43169169

約数列:

[1, 3, 13, 19, 39, 57, 107, 247, 321, 741, 1033, 1391, 2033, 3099, 4173, 6099, 13429, 19627, 26429, 40287, 58881, 79287, 110531, 255151, 331593, 765453, 1436903, 2100089, 4310709, 6300267, 27301157, 81903471]

約数ペア:

[(1, 81903471), (3, 27301157), (13, 6300267), (19, 4310709), (39, 2100089), (57, 1436903), (107, 765453), (247, 331593), (321, 255151), (741, 110531), (1033, 79287), (1391, 58881), (2033, 40287), (3099, 26429), (4173, 19627), (6099, 13429)]