28859493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17209}}^1$

素因数の和:17268

約数の個数: 16

約数和(自身を含む): 42405440

約数和(自身を除く): 13545947

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 17209, 51627, 223717, 671151, 739987, 2219961, 9619831, 28859493]

約数ペア:

[(1, 28859493), (3, 9619831), (13, 2219961), (39, 739987), (43, 671151), (129, 223717), (559, 51627), (1677, 17209)]