28467243

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 20594133

約数列:

[1, 3, 7, 9, 21, 41, 63, 103, 107, 123, 287, 309, 321, 369, 721, 749, 861, 927, 963, 2163, 2247, 2583, 4223, 4387, 6489, 6741, 11021, 12669, 13161, 29561, 30709, 33063, 38007, 39483, 77147, 88683, 92127, 99189, 231441, 266049, 276381, 451861, 694323, 1355583, 3163027, 4066749, 9489081, 28467243]

約数ペア:

[(1, 28467243), (3, 9489081), (7, 4066749), (9, 3163027), (21, 1355583), (41, 694323), (63, 451861), (103, 276381), (107, 266049), (123, 231441), (287, 99189), (309, 92127), (321, 88683), (369, 77147), (721, 39483), (749, 38007), (861, 33063), (927, 30709), (963, 29561), (2163, 13161), (2247, 12669), (2583, 11021), (4223, 6741), (4387, 6489)]