2005197777

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{1627}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 3230472960

約数和(自身を除く): 1225275183

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 211, 531, 633, 649, 1627, 1899, 1947, 2321, 4881, 5841, 6963, 12449, 14643, 17897, 20889, 37347, 53691, 95993, 112041, 136939, 161073, 287979, 343297, 410817, 863937, 1029891, 1055923, 1232451, 3089673, 3167769, 3776267, 9503307, 11328801, 20254523, 33986403, 60763569, 182290707, 222799753, 668399259, 2005197777]

約数ペア:

[(1, 2005197777), (3, 668399259), (9, 222799753), (11, 182290707), (33, 60763569), (59, 33986403), (99, 20254523), (177, 11328801), (211, 9503307), (531, 3776267), (633, 3167769), (649, 3089673), (1627, 1232451), (1899, 1055923), (1947, 1029891), (2321, 863937), (4881, 410817), (5841, 343297), (6963, 287979), (12449, 161073), (14643, 136939), (17897, 112041), (20889, 95993), (37347, 53691)]