215194707

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2551}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 386434048

約数和(自身を除く): 171239341

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 103, 117, 273, 309, 721, 819, 927, 1339, 2163, 2551, 4017, 6489, 7653, 9373, 12051, 17857, 22959, 28119, 33163, 53571, 84357, 99489, 160713, 232141, 262753, 298467, 696423, 788259, 1839271, 2089269, 2364777, 3415789, 5517813, 10247367, 16553439, 23910523, 30742101, 71731569, 215194707]

約数ペア:

[(1, 215194707), (3, 71731569), (7, 30742101), (9, 23910523), (13, 16553439), (21, 10247367), (39, 5517813), (63, 3415789), (91, 2364777), (103, 2089269), (117, 1839271), (273, 788259), (309, 696423), (721, 298467), (819, 262753), (927, 232141), (1339, 160713), (2163, 99489), (2551, 84357), (4017, 53571), (6489, 33163), (7653, 28119), (9373, 22959), (12051, 17857)]