28486899

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2143}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 47270912

約数和(自身を除く): 18784013

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 2143, 4431, 6429, 13293, 15001, 19287, 45003, 135009, 452173, 1356519, 3165211, 4069557, 9495633, 28486899]

約数ペア:

[(1, 28486899), (3, 9495633), (7, 4069557), (9, 3165211), (21, 1356519), (63, 452173), (211, 135009), (633, 45003), (1477, 19287), (1899, 15001), (2143, 13293), (4431, 6429)]