201529257

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 288645120

約数和(自身を除く): 87115863

約数列:

[1, 3, 19, 57, 107, 173, 191, 321, 519, 573, 2033, 3287, 3629, 6099, 9861, 10887, 18511, 20437, 33043, 55533, 61311, 99129, 351709, 388303, 627817, 1055127, 1164909, 1883451, 3535601, 10606803, 67176419, 201529257]

約数ペア:

[(1, 201529257), (3, 67176419), (19, 10606803), (57, 3535601), (107, 1883451), (173, 1164909), (191, 1055127), (321, 627817), (519, 388303), (573, 351709), (2033, 99129), (3287, 61311), (3629, 55533), (6099, 33043), (9861, 20437), (10887, 18511)]