205492707

素因数分解:

$3^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 364421120

約数和(自身を除く): 158928413

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 433, 567, 651, 729, 837, 1299, 1701, 1953, 2187, 2511, 3031, 3897, 5103, 5859, 7533, 9093, 11691, 13423, 15309, 17577, 22599, 27279, 35073, 40269, 52731, 67797, 81837, 93961, 105219, 120807, 158193, 245511, 281883, 315657, 362421, 474579, 736533, 845649, 946971, 1087263, 2209599, 2536947, 3261789, 6628797, 7610841, 9785367, 22832523, 29356101, 68497569, 205492707]

約数ペア:

[(1, 205492707), (3, 68497569), (7, 29356101), (9, 22832523), (21, 9785367), (27, 7610841), (31, 6628797), (63, 3261789), (81, 2536947), (93, 2209599), (189, 1087263), (217, 946971), (243, 845649), (279, 736533), (433, 474579), (567, 362421), (651, 315657), (729, 281883), (837, 245511), (1299, 158193), (1701, 120807), (1953, 105219), (2187, 93961), (2511, 81837), (3031, 67797), (3897, 52731), (5103, 40269), (5859, 35073), (7533, 27279), (9093, 22599), (11691, 17577), (13423, 15309)]