280885059

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1777}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 502220992

約数和(自身を除く): 221335933

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 193, 273, 579, 819, 1351, 1737, 1777, 2509, 4053, 5331, 7527, 12159, 12439, 15993, 17563, 22581, 23101, 37317, 52689, 69303, 111951, 158067, 161707, 207909, 342961, 485121, 1028883, 1455363, 2400727, 3086649, 4458493, 7202181, 13375479, 21606543, 31209451, 40126437, 93628353, 280885059]

約数ペア:

[(1, 280885059), (3, 93628353), (7, 40126437), (9, 31209451), (13, 21606543), (21, 13375479), (39, 7202181), (63, 4458493), (91, 3086649), (117, 2400727), (193, 1455363), (273, 1028883), (579, 485121), (819, 342961), (1351, 207909), (1737, 161707), (1777, 158067), (2509, 111951), (4053, 69303), (5331, 52689), (7527, 37317), (12159, 23101), (12439, 22581), (15993, 17563)]