27851481

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^2\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 47137792

約数和(自身を除く): 19286311

約数列:

[1, 3, 7, 9, 21, 59, 63, 127, 177, 381, 413, 531, 889, 1143, 1239, 2667, 3481, 3717, 7493, 8001, 10443, 22479, 24367, 31329, 52451, 67437, 73101, 157353, 219303, 442087, 472059, 1326261, 3094609, 3978783, 9283827, 27851481]

約数ペア:

[(1, 27851481), (3, 9283827), (7, 3978783), (9, 3094609), (21, 1326261), (59, 472059), (63, 442087), (127, 219303), (177, 157353), (381, 73101), (413, 67437), (531, 52451), (889, 31329), (1143, 24367), (1239, 22479), (2667, 10443), (3481, 8001), (3717, 7493)]