28611093

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71707}}^1$

素因数の和:71736

約数の個数: 16

約数和(自身を含む): 45893120

約数和(自身を除く): 17282027

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71707, 215121, 501949, 1362433, 1505847, 4087299, 9537031, 28611093]

約数ペア:

[(1, 28611093), (3, 9537031), (7, 4087299), (19, 1505847), (21, 1362433), (57, 501949), (133, 215121), (399, 71707)]