28676331

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 18835029

約数列:

[1, 3, 9, 17, 23, 29, 51, 69, 87, 153, 207, 261, 281, 391, 493, 667, 843, 1173, 1479, 2001, 2529, 3519, 4437, 4777, 6003, 6463, 8149, 11339, 14331, 19389, 24447, 34017, 42993, 58167, 73341, 102051, 109871, 138533, 187427, 329613, 415599, 562281, 988839, 1246797, 1686843, 3186259, 9558777, 28676331]

約数ペア:

[(1, 28676331), (3, 9558777), (9, 3186259), (17, 1686843), (23, 1246797), (29, 988839), (51, 562281), (69, 415599), (87, 329613), (153, 187427), (207, 138533), (261, 109871), (281, 102051), (391, 73341), (493, 58167), (667, 42993), (843, 34017), (1173, 24447), (1479, 19389), (2001, 14331), (2529, 11339), (3519, 8149), (4437, 6463), (4777, 6003)]