208173891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{60923}}^1$

素因数の和:61010

約数の個数: 16

約数和(自身を含む): 298283904

約数和(自身を除く): 90110013

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 60923, 182769, 1035691, 3107073, 4081841, 12245523, 69391297, 208173891]

約数ペア:

[(1, 208173891), (3, 69391297), (17, 12245523), (51, 4081841), (67, 3107073), (201, 1035691), (1139, 182769), (3417, 60923)]