208069533

素因数分解:

$3^3\times 7^2\times {\mathrm{157271}}^1$

素因数の和:157294

約数の個数: 24

約数和(自身を含む): 358580160

約数和(自身を除く): 150510627

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 157271, 471813, 1100897, 1415439, 3302691, 4246317, 7706279, 9908073, 23118837, 29724219, 69356511, 208069533]

約数ペア:

[(1, 208069533), (3, 69356511), (7, 29724219), (9, 23118837), (21, 9908073), (27, 7706279), (49, 4246317), (63, 3302691), (147, 1415439), (189, 1100897), (441, 471813), (1323, 157271)]