28268127

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 46837440

約数和(自身を除く): 18569313

約数列:

[1, 3, 9, 17, 23, 29, 51, 69, 87, 153, 207, 261, 277, 391, 493, 667, 831, 1173, 1479, 2001, 2493, 3519, 4437, 4709, 6003, 6371, 8033, 11339, 14127, 19113, 24099, 34017, 42381, 57339, 72297, 102051, 108307, 136561, 184759, 324921, 409683, 554277, 974763, 1229049, 1662831, 3140903, 9422709, 28268127]

約数ペア:

[(1, 28268127), (3, 9422709), (9, 3140903), (17, 1662831), (23, 1229049), (29, 974763), (51, 554277), (69, 409683), (87, 324921), (153, 184759), (207, 136561), (261, 108307), (277, 102051), (391, 72297), (493, 57339), (667, 42381), (831, 34017), (1173, 24099), (1479, 19113), (2001, 14127), (2493, 11339), (3519, 8033), (4437, 6371), (4709, 6003)]