551271567

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 1038090240

約数和(自身を除く): 486818673

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 43, 57, 69, 77, 127, 129, 133, 161, 209, 231, 253, 301, 381, 399, 437, 473, 483, 627, 759, 817, 889, 903, 989, 1311, 1397, 1419, 1463, 1771, 2413, 2451, 2667, 2921, 2967, 3059, 3311, 4191, 4389, 4807, 5313, 5461, 5719, 6923, 7239, 8763, 8987, 9177, 9779, 9933, 10879, 14421, 16383, 16891, 17157, 18791, 20447, 20769, 26543, 26961, 29337, 32131, 32637, 33649, 38227, 50673, 55499, 56373, 60071, 61341, 62909, 76153, 79629, 96393, 100947, 103759, 114681, 125603, 131537, 166497, 180213, 185801, 188727, 206701, 224917, 228459, 311277, 376809, 388493, 394611, 420497, 557403, 610489, 620103, 674751, 726313, 879221, 1141349, 1165479, 1261491, 1381633, 1446907, 1831467, 2178939, 2386457, 2637663, 3424047, 4144899, 4273423, 4340721, 7159371, 7989443, 9671431, 12820269, 16705199, 23968329, 26251027, 29014293, 50115597, 78753081, 183757189, 551271567]

約数ペア:

[(1, 551271567), (3, 183757189), (7, 78753081), (11, 50115597), (19, 29014293), (21, 26251027), (23, 23968329), (33, 16705199), (43, 12820269), (57, 9671431), (69, 7989443), (77, 7159371), (127, 4340721), (129, 4273423), (133, 4144899), (161, 3424047), (209, 2637663), (231, 2386457), (253, 2178939), (301, 1831467), (381, 1446907), (399, 1381633), (437, 1261491), (473, 1165479), (483, 1141349), (627, 879221), (759, 726313), (817, 674751), (889, 620103), (903, 610489), (989, 557403), (1311, 420497), (1397, 394611), (1419, 388493), (1463, 376809), (1771, 311277), (2413, 228459), (2451, 224917), (2667, 206701), (2921, 188727), (2967, 185801), (3059, 180213), (3311, 166497), (4191, 131537), (4389, 125603), (4807, 114681), (5313, 103759), (5461, 100947), (5719, 96393), (6923, 79629), (7239, 76153), (8763, 62909), (8987, 61341), (9177, 60071), (9779, 56373), (9933, 55499), (10879, 50673), (14421, 38227), (16383, 33649), (16891, 32637), (17157, 32131), (18791, 29337), (20447, 26961), (20769, 26543)]