31028445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 62000640

約数和(自身を除く): 30972195

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 137, 315, 411, 685, 719, 959, 1233, 2055, 2157, 2877, 3595, 4795, 5033, 6165, 6471, 8631, 10785, 14385, 15099, 25165, 32355, 43155, 45297, 75495, 98503, 226485, 295509, 492515, 689521, 886527, 1477545, 2068563, 3447605, 4432635, 6205689, 10342815, 31028445]

約数ペア:

[(1, 31028445), (3, 10342815), (5, 6205689), (7, 4432635), (9, 3447605), (15, 2068563), (21, 1477545), (35, 886527), (45, 689521), (63, 492515), (105, 295509), (137, 226485), (315, 98503), (411, 75495), (685, 45297), (719, 43155), (959, 32355), (1233, 25165), (2055, 15099), (2157, 14385), (2877, 10785), (3595, 8631), (4795, 6471), (5033, 6165)]