206564985

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 407721600

約数和(自身を除く): 201156615

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 199, 233, 297, 405, 495, 597, 699, 891, 995, 1165, 1485, 1791, 2097, 2189, 2563, 2985, 3495, 4455, 5373, 6291, 6567, 7689, 8955, 10485, 10945, 12815, 16119, 18873, 19701, 23067, 26865, 31455, 32835, 38445, 46367, 59103, 69201, 80595, 94365, 98505, 115335, 139101, 177309, 207603, 231835, 295515, 346005, 417303, 510037, 695505, 886545, 1038015, 1251909, 1530111, 2086515, 2550185, 3755727, 4590333, 6259545, 7650555, 13770999, 18778635, 22951665, 41312997, 68854995, 206564985]

約数ペア:

[(1, 206564985), (3, 68854995), (5, 41312997), (9, 22951665), (11, 18778635), (15, 13770999), (27, 7650555), (33, 6259545), (45, 4590333), (55, 3755727), (81, 2550185), (99, 2086515), (135, 1530111), (165, 1251909), (199, 1038015), (233, 886545), (297, 695505), (405, 510037), (495, 417303), (597, 346005), (699, 295515), (891, 231835), (995, 207603), (1165, 177309), (1485, 139101), (1791, 115335), (2097, 98505), (2189, 94365), (2563, 80595), (2985, 69201), (3495, 59103), (4455, 46367), (5373, 38445), (6291, 32835), (6567, 31455), (7689, 26865), (8955, 23067), (10485, 19701), (10945, 18873), (12815, 16119)]