13666009

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 16367616

約数和(自身を除く): 2701607

約数列:

[1, 7, 31, 71, 217, 497, 887, 2201, 6209, 15407, 27497, 62977, 192479, 440839, 1952287, 13666009]

約数ペア:

[(1, 13666009), (7, 1952287), (31, 440839), (71, 192479), (217, 62977), (497, 27497), (887, 15407), (2201, 6209)]