28521729

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{21269}}^1$

素因数の和:21424

約数の個数: 12

約数和(自身を含む): 41476500

約数和(自身を除く): 12954771

約数列:

[1, 3, 9, 149, 447, 1341, 21269, 63807, 191421, 3169081, 9507243, 28521729]

約数ペア:

[(1, 28521729), (3, 9507243), (9, 3169081), (149, 191421), (447, 63807), (1341, 21269)]