1280451465

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1\times {\mathrm{499}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 2246400000

約数和(自身を除く): 965948535

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 449, 499, 635, 1143, 1347, 1497, 1905, 2245, 2495, 4041, 4491, 5715, 6735, 7485, 20205, 22455, 57023, 63373, 171069, 190119, 224051, 285115, 316865, 513207, 570357, 672153, 855345, 950595, 1120255, 2016459, 2566035, 2851785, 3360765, 10082295, 28454477, 85363431, 142272385, 256090293, 426817155, 1280451465]

約数ペア:

[(1, 1280451465), (3, 426817155), (5, 256090293), (9, 142272385), (15, 85363431), (45, 28454477), (127, 10082295), (381, 3360765), (449, 2851785), (499, 2566035), (635, 2016459), (1143, 1120255), (1347, 950595), (1497, 855345), (1905, 672153), (2245, 570357), (2495, 513207), (4041, 316865), (4491, 285115), (5715, 224051), (6735, 190119), (7485, 171069), (20205, 63373), (22455, 57023)]