255079305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1973}}^1$

素因数の和:2027

約数の個数: 72

約数和(自身を含む): 507183768

約数和(自身を除く): 252104463

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 195, 221, 255, 507, 585, 663, 765, 845, 1105, 1521, 1973, 1989, 2535, 2873, 3315, 5919, 7605, 8619, 9865, 9945, 14365, 17757, 25649, 25857, 29595, 33541, 43095, 76947, 88785, 100623, 128245, 129285, 167705, 230841, 301869, 333437, 384735, 436033, 503115, 1000311, 1154205, 1308099, 1509345, 1667185, 2180165, 3000933, 3924297, 5001555, 5668429, 6540495, 15004665, 17005287, 19621485, 28342145, 51015861, 85026435, 255079305]

約数ペア:

[(1, 255079305), (3, 85026435), (5, 51015861), (9, 28342145), (13, 19621485), (15, 17005287), (17, 15004665), (39, 6540495), (45, 5668429), (51, 5001555), (65, 3924297), (85, 3000933), (117, 2180165), (153, 1667185), (169, 1509345), (195, 1308099), (221, 1154205), (255, 1000311), (507, 503115), (585, 436033), (663, 384735), (765, 333437), (845, 301869), (1105, 230841), (1521, 167705), (1973, 129285), (1989, 128245), (2535, 100623), (2873, 88785), (3315, 76947), (5919, 43095), (7605, 33541), (8619, 29595), (9865, 25857), (9945, 25649), (14365, 17757)]