9991485

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 20697600

約数和(自身を除く): 10706115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 109, 135, 189, 291, 315, 327, 485, 545, 679, 763, 873, 945, 981, 1455, 1635, 2037, 2289, 2619, 2943, 3395, 3815, 4365, 4905, 6111, 6867, 10185, 10573, 11445, 13095, 14715, 18333, 20601, 30555, 31719, 34335, 52865, 74011, 91665, 95157, 103005, 158595, 222033, 285471, 370055, 475785, 666099, 1110165, 1427355, 1998297, 3330495, 9991485]

約数ペア:

[(1, 9991485), (3, 3330495), (5, 1998297), (7, 1427355), (9, 1110165), (15, 666099), (21, 475785), (27, 370055), (35, 285471), (45, 222033), (63, 158595), (97, 103005), (105, 95157), (109, 91665), (135, 74011), (189, 52865), (291, 34335), (315, 31719), (327, 30555), (485, 20601), (545, 18333), (679, 14715), (763, 13095), (873, 11445), (945, 10573), (981, 10185), (1455, 6867), (1635, 6111), (2037, 4905), (2289, 4365), (2619, 3815), (2943, 3395)]