173656287

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 293081152

約数和(自身を除く): 119424865

約数列:

[1, 3, 7, 9, 21, 63, 97, 157, 181, 291, 471, 543, 679, 873, 1099, 1267, 1413, 1629, 2037, 3297, 3801, 6111, 9891, 11403, 15229, 17557, 28417, 45687, 52671, 85251, 106603, 122899, 137061, 158013, 198919, 255753, 319809, 368697, 596757, 959427, 1106091, 1790271, 2756449, 8269347, 19295143, 24808041, 57885429, 173656287]

約数ペア:

[(1, 173656287), (3, 57885429), (7, 24808041), (9, 19295143), (21, 8269347), (63, 2756449), (97, 1790271), (157, 1106091), (181, 959427), (291, 596757), (471, 368697), (543, 319809), (679, 255753), (873, 198919), (1099, 158013), (1267, 137061), (1413, 122899), (1629, 106603), (2037, 85251), (3297, 52671), (3801, 45687), (6111, 28417), (9891, 17557), (11403, 15229)]