28011009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1117}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 40319552

約数和(自身を除く): 12308543

約数列:

[1, 3, 13, 39, 643, 1117, 1929, 3351, 8359, 14521, 25077, 43563, 718231, 2154693, 9337003, 28011009]

約数ペア:

[(1, 28011009), (3, 9337003), (13, 2154693), (39, 718231), (643, 43563), (1117, 25077), (1929, 14521), (3351, 8359)]