127128843

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 199480320

約数和(自身を除く): 72351477

約数列:

[1, 3, 9, 23, 47, 69, 73, 141, 179, 207, 219, 423, 537, 657, 1081, 1611, 1679, 3243, 3431, 4117, 5037, 8413, 9729, 10293, 12351, 13067, 15111, 25239, 30879, 37053, 39201, 75717, 78913, 117603, 193499, 236739, 300541, 580497, 614149, 710217, 901623, 1741491, 1842447, 2704869, 5527341, 14125427, 42376281, 127128843]

約数ペア:

[(1, 127128843), (3, 42376281), (9, 14125427), (23, 5527341), (47, 2704869), (69, 1842447), (73, 1741491), (141, 901623), (179, 710217), (207, 614149), (219, 580497), (423, 300541), (537, 236739), (657, 193499), (1081, 117603), (1611, 78913), (1679, 75717), (3243, 39201), (3431, 37053), (4117, 30879), (5037, 25239), (8413, 15111), (9729, 13067), (10293, 12351)]