51259815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 94348800

約数和(自身を除く): 43088985

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 167, 171, 285, 359, 501, 835, 855, 1077, 1503, 1795, 2505, 3173, 3231, 5385, 6821, 7515, 9519, 15865, 16155, 20463, 28557, 34105, 47595, 59953, 61389, 102315, 142785, 179859, 299765, 306945, 539577, 899295, 1139107, 2697885, 3417321, 5695535, 10251963, 17086605, 51259815]

約数ペア:

[(1, 51259815), (3, 17086605), (5, 10251963), (9, 5695535), (15, 3417321), (19, 2697885), (45, 1139107), (57, 899295), (95, 539577), (167, 306945), (171, 299765), (285, 179859), (359, 142785), (501, 102315), (835, 61389), (855, 59953), (1077, 47595), (1503, 34105), (1795, 28557), (2505, 20463), (3173, 16155), (3231, 15865), (5385, 9519), (6821, 7515)]