921042369

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 1483150032

約数和(自身を除く): 562107663

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 137, 333, 411, 481, 1233, 1443, 1553, 1781, 4329, 4659, 5069, 5343, 13977, 15207, 16029, 20189, 45621, 57461, 60567, 65897, 172383, 181701, 197691, 212761, 517149, 593073, 638283, 746993, 1914849, 2240979, 2765893, 6722937, 7872157, 8297679, 23616471, 24893037, 70849413, 102338041, 307014123, 921042369]

約数ペア:

[(1, 921042369), (3, 307014123), (9, 102338041), (13, 70849413), (37, 24893037), (39, 23616471), (111, 8297679), (117, 7872157), (137, 6722937), (333, 2765893), (411, 2240979), (481, 1914849), (1233, 746993), (1443, 638283), (1553, 593073), (1781, 517149), (4329, 212761), (4659, 197691), (5069, 181701), (5343, 172383), (13977, 65897), (15207, 60567), (16029, 57461), (20189, 45621)]