28736001

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3833}}^1$

素因数の和:3870

約数の個数: 36

約数和(自身を含む): 51137892

約数和(自身を除く): 22401891

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 3833, 7497, 11499, 26831, 34497, 65161, 80493, 187817, 195483, 241479, 456127, 563451, 586449, 1368381, 1690353, 3192889, 4105143, 9578667, 28736001]

約数ペア:

[(1, 28736001), (3, 9578667), (7, 4105143), (9, 3192889), (17, 1690353), (21, 1368381), (49, 586449), (51, 563451), (63, 456127), (119, 241479), (147, 195483), (153, 187817), (357, 80493), (441, 65161), (833, 34497), (1071, 26831), (2499, 11499), (3833, 7497)]