28290.0000000

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 13057200

約数和(自身を除く): 4671117

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 929, 1003, 2787, 3009, 8361, 9027, 15793, 47379, 54811, 142137, 164433, 493299, 931787, 2795361, 8386083]

約数ペア:

[(1, 8386083), (3, 2795361), (9, 931787), (17, 493299), (51, 164433), (59, 142137), (153, 54811), (177, 47379), (531, 15793), (929, 9027), (1003, 8361), (2787, 3009)]