28239327

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{14731}}^1$

素因数の和:14811

約数の個数: 16

約数和(自身を含む): 42428160

約数和(自身を除く): 14188833

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 14731, 44193, 132579, 397737, 1045901, 3137703, 9413109, 28239327]

約数ペア:

[(1, 28239327), (3, 9413109), (9, 3137703), (27, 1045901), (71, 397737), (213, 132579), (639, 44193), (1917, 14731)]