208241523

素因数分解:

$3^5\times 7^2\times {\mathrm{17489}}^1$

素因数の和:17518

約数の個数: 36

約数和(自身を含む): 362882520

約数和(自身を除く): 154640997

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 17489, 52467, 122423, 157401, 367269, 472203, 856961, 1101807, 1416609, 2570883, 3305421, 4249827, 7712649, 9916263, 23137947, 29748789, 69413841, 208241523]

約数ペア:

[(1, 208241523), (3, 69413841), (7, 29748789), (9, 23137947), (21, 9916263), (27, 7712649), (49, 4249827), (63, 3305421), (81, 2570883), (147, 1416609), (189, 1101807), (243, 856961), (441, 472203), (567, 367269), (1323, 157401), (1701, 122423), (3969, 52467), (11907, 17489)]