28267383

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 40770048

約数和(自身を除く): 12502665

約数列:

[1, 3, 19, 43, 57, 129, 361, 607, 817, 1083, 1821, 2451, 11533, 15523, 26101, 34599, 46569, 78303, 219127, 495919, 657381, 1487757, 9422461, 28267383]

約数ペア:

[(1, 28267383), (3, 9422461), (19, 1487757), (43, 657381), (57, 495919), (129, 219127), (361, 78303), (607, 46569), (817, 34599), (1083, 26101), (1821, 15523), (2451, 11533)]