218734047

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 393011200

約数和(自身を除く): 174277153

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 63, 93, 111, 189, 217, 259, 279, 333, 651, 777, 837, 999, 1009, 1147, 1953, 2331, 3027, 3441, 5859, 6993, 7063, 8029, 9081, 10323, 21189, 24087, 27243, 30969, 31279, 37333, 63567, 72261, 93837, 111999, 190701, 216783, 218953, 261331, 281511, 335997, 656859, 783993, 844533, 1007991, 1157323, 1970577, 2351979, 3471969, 5911731, 7055937, 8101261, 10415907, 24303783, 31247721, 72911349, 218734047]

約数ペア:

[(1, 218734047), (3, 72911349), (7, 31247721), (9, 24303783), (21, 10415907), (27, 8101261), (31, 7055937), (37, 5911731), (63, 3471969), (93, 2351979), (111, 1970577), (189, 1157323), (217, 1007991), (259, 844533), (279, 783993), (333, 656859), (651, 335997), (777, 281511), (837, 261331), (999, 218953), (1009, 216783), (1147, 190701), (1953, 111999), (2331, 93837), (3027, 72261), (3441, 63567), (5859, 37333), (6993, 31279), (7063, 30969), (8029, 27243), (9081, 24087), (10323, 21189)]