28871937

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{15061}}^1$

素因数の和:15141

約数の個数: 16

約数和(自身を含む): 43378560

約数和(自身を除く): 14506623

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 15061, 45183, 135549, 406647, 1069331, 3207993, 9623979, 28871937]

約数ペア:

[(1, 28871937), (3, 9623979), (9, 3207993), (27, 1069331), (71, 406647), (213, 135549), (639, 45183), (1917, 15061)]