28727907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5623}}^1$

素因数の和:5770

約数の個数: 16

約数和(自身を含む): 41572608

約数和(自身を除く): 12844701

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 5623, 16869, 73099, 219297, 736613, 2209839, 9575969, 28727907]

約数ペア:

[(1, 28727907), (3, 9575969), (13, 2209839), (39, 736613), (131, 219297), (393, 73099), (1703, 16869), (5109, 5623)]