28995729

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72671}}^1$

素因数の和:72700

約数の個数: 16

約数和(自身を含む): 46510080

約数和(自身を除く): 17514351

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72671, 218013, 508697, 1380749, 1526091, 4142247, 9665243, 28995729]

約数ペア:

[(1, 28995729), (3, 9665243), (7, 4142247), (19, 1526091), (21, 1380749), (57, 508697), (133, 218013), (399, 72671)]