1558909989

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 2978447360

約数和(自身を除く): 1419537371

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 91, 93, 97, 117, 189, 211, 217, 273, 279, 291, 351, 403, 633, 651, 679, 819, 837, 873, 1209, 1261, 1477, 1899, 1953, 2037, 2457, 2619, 2743, 2821, 3007, 3627, 3783, 4431, 5697, 5859, 6111, 6541, 8229, 8463, 8827, 9021, 10881, 11349, 13293, 18333, 19201, 19623, 20467, 21049, 24687, 25389, 26481, 27063, 34047, 39091, 39879, 45787, 57603, 58869, 61401, 63147, 74061, 76167, 79443, 81189, 85033, 117273, 137361, 143269, 172809, 176607, 184203, 189441, 238329, 255099, 266071, 273637, 351819, 412083, 429807, 518427, 552609, 568323, 595231, 634477, 765297, 798213, 820911, 1055457, 1236249, 1289421, 1785693, 1862497, 1903431, 2295891, 2394639, 2462733, 3868263, 4441339, 5357079, 5587491, 5710293, 7183917, 7388199, 8248201, 13324017, 16071237, 16762473, 17130879, 24744603, 39972051, 50287419, 57737407, 74233809, 119916153, 173212221, 222701427, 519636663, 1558909989]

約数ペア:

[(1, 1558909989), (3, 519636663), (7, 222701427), (9, 173212221), (13, 119916153), (21, 74233809), (27, 57737407), (31, 50287419), (39, 39972051), (63, 24744603), (91, 17130879), (93, 16762473), (97, 16071237), (117, 13324017), (189, 8248201), (211, 7388199), (217, 7183917), (273, 5710293), (279, 5587491), (291, 5357079), (351, 4441339), (403, 3868263), (633, 2462733), (651, 2394639), (679, 2295891), (819, 1903431), (837, 1862497), (873, 1785693), (1209, 1289421), (1261, 1236249), (1477, 1055457), (1899, 820911), (1953, 798213), (2037, 765297), (2457, 634477), (2619, 595231), (2743, 568323), (2821, 552609), (3007, 518427), (3627, 429807), (3783, 412083), (4431, 351819), (5697, 273637), (5859, 266071), (6111, 255099), (6541, 238329), (8229, 189441), (8463, 184203), (8827, 176607), (9021, 172809), (10881, 143269), (11349, 137361), (13293, 117273), (18333, 85033), (19201, 81189), (19623, 79443), (20467, 76167), (21049, 74061), (24687, 63147), (25389, 61401), (26481, 58869), (27063, 57603), (34047, 45787), (39091, 39879)]