409848417

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 690161472

約数和(自身を除く): 280313055

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 121, 159, 243, 263, 297, 363, 477, 583, 789, 891, 1089, 1431, 1749, 2367, 2673, 2893, 3267, 4293, 5247, 6413, 7101, 8679, 9801, 12879, 13939, 15741, 19239, 21303, 26037, 29403, 31823, 41817, 47223, 57717, 63909, 78111, 95469, 125451, 141669, 153329, 173151, 234333, 286407, 376353, 459987, 519453, 702999, 859221, 1129059, 1379961, 1558359, 1686619, 2577663, 3387177, 4139883, 5059857, 7732989, 12419649, 15179571, 37258947, 45538713, 136616139, 409848417]

約数ペア:

[(1, 409848417), (3, 136616139), (9, 45538713), (11, 37258947), (27, 15179571), (33, 12419649), (53, 7732989), (81, 5059857), (99, 4139883), (121, 3387177), (159, 2577663), (243, 1686619), (263, 1558359), (297, 1379961), (363, 1129059), (477, 859221), (583, 702999), (789, 519453), (891, 459987), (1089, 376353), (1431, 286407), (1749, 234333), (2367, 173151), (2673, 153329), (2893, 141669), (3267, 125451), (4293, 95469), (5247, 78111), (6413, 63909), (7101, 57717), (8679, 47223), (9801, 41817), (12879, 31823), (13939, 29403), (15741, 26037), (19239, 21303)]