77121555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 144132864

約数和(自身を除く): 67011309

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 211, 295, 413, 633, 885, 1055, 1239, 1477, 2065, 3165, 3481, 4431, 6195, 7385, 10443, 12449, 17405, 22155, 24367, 37347, 52215, 62245, 73101, 87143, 121835, 186735, 261429, 365505, 435715, 734491, 1307145, 2203473, 3672455, 5141437, 11017365, 15424311, 25707185, 77121555]

約数ペア:

[(1, 77121555), (3, 25707185), (5, 15424311), (7, 11017365), (15, 5141437), (21, 3672455), (35, 2203473), (59, 1307145), (105, 734491), (177, 435715), (211, 365505), (295, 261429), (413, 186735), (633, 121835), (885, 87143), (1055, 73101), (1239, 62245), (1477, 52215), (2065, 37347), (3165, 24367), (3481, 22155), (4431, 17405), (6195, 12449), (7385, 10443)]