28551237

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66553}}^1$

素因数の和:66580

約数の個数: 16

約数和(自身を含む): 44724288

約数和(自身を除く): 16173051

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 66553, 199659, 732083, 865189, 2196249, 2595567, 9517079, 28551237]

約数ペア:

[(1, 28551237), (3, 9517079), (11, 2595567), (13, 2196249), (33, 865189), (39, 732083), (143, 199659), (429, 66553)]