28986687

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{24967}}^1$

素因数の和:25019

約数の個数: 16

約数和(自身を含む): 43943680

約数和(自身を除く): 14956993

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 24967, 74901, 224703, 674109, 1073581, 3220743, 9662229, 28986687]

約数ペア:

[(1, 28986687), (3, 9662229), (9, 3220743), (27, 1073581), (43, 674109), (129, 224703), (387, 74901), (1161, 24967)]