28164423

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 16763577

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 309, 449, 609, 721, 1347, 2163, 2987, 3143, 8961, 9429, 13021, 20909, 39063, 46247, 62727, 91147, 138741, 273441, 323729, 971187, 1341163, 4023489, 9388141, 28164423]

約数ペア:

[(1, 28164423), (3, 9388141), (7, 4023489), (21, 1341163), (29, 971187), (87, 323729), (103, 273441), (203, 138741), (309, 91147), (449, 62727), (609, 46247), (721, 39063), (1347, 20909), (2163, 13021), (2987, 9429), (3143, 8961)]