12940785

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 26365248

約数和(自身を除く): 13424463

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2011, 2145, 6033, 6435, 10055, 18099, 22121, 26143, 30165, 66363, 78429, 90495, 110605, 130715, 199089, 235287, 287573, 331815, 392145, 862719, 995445, 1176435, 1437865, 2588157, 4313595, 12940785]

約数ペア:

[(1, 12940785), (3, 4313595), (5, 2588157), (9, 1437865), (11, 1176435), (13, 995445), (15, 862719), (33, 392145), (39, 331815), (45, 287573), (55, 235287), (65, 199089), (99, 130715), (117, 110605), (143, 90495), (165, 78429), (195, 66363), (429, 30165), (495, 26143), (585, 22121), (715, 18099), (1287, 10055), (2011, 6435), (2145, 6033)]