28904769

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6733}}^1$

素因数の和:6798

約数の個数: 20

約数和(自身を含む): 43999956

約数和(自身を除く): 15095187

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6733, 20199, 60597, 181791, 356849, 545373, 1070547, 3211641, 9634923, 28904769]

約数ペア:

[(1, 28904769), (3, 9634923), (9, 3211641), (27, 1070547), (53, 545373), (81, 356849), (159, 181791), (477, 60597), (1431, 20199), (4293, 6733)]