28738143

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26833}}^1$

素因数の和:26863

約数の個数: 24

約数和(自身を含む): 50233248

約数和(自身を除く): 21495105

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26833, 80499, 187831, 241497, 456161, 563493, 1368483, 1690479, 3193127, 4105449, 9579381, 28738143]

約数ペア:

[(1, 28738143), (3, 9579381), (7, 4105449), (9, 3193127), (17, 1690479), (21, 1368483), (51, 563493), (63, 456161), (119, 241497), (153, 187831), (357, 80499), (1071, 26833)]