221004003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{52733}}^1$

素因数の和:52874

約数の個数: 16

約数和(自身を含む): 323997696

約数和(自身を除く): 102993693

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 52733, 158199, 580063, 1740189, 6697091, 20091273, 73668001, 221004003]

約数ペア:

[(1, 221004003), (3, 73668001), (11, 20091273), (33, 6697091), (127, 1740189), (381, 580063), (1397, 158199), (4191, 52733)]