251521803

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1069}}^1\times {\mathrm{2011}}^1$

素因数の和:3099

約数の個数: 24

約数和(自身を含む): 391816880

約数和(自身を除く): 140295077

約数列:

[1, 3, 9, 13, 39, 117, 1069, 2011, 3207, 6033, 9621, 13897, 18099, 26143, 41691, 78429, 125073, 235287, 2149759, 6449277, 19347831, 27946867, 83840601, 251521803]

約数ペア:

[(1, 251521803), (3, 83840601), (9, 27946867), (13, 19347831), (39, 6449277), (117, 2149759), (1069, 235287), (2011, 125073), (3207, 78429), (6033, 41691), (9621, 26143), (13897, 18099)]