18121167

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{6967}}^1$

素因数の和:7007

約数の個数: 18

約数和(自身を含む): 27809288

約数和(自身を除く): 9688121

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 6967, 20901, 62703, 118439, 355317, 1065951, 2013463, 6040389, 18121167]

約数ペア:

[(1, 18121167), (3, 6040389), (9, 2013463), (17, 1065951), (51, 355317), (153, 118439), (289, 62703), (867, 20901), (2601, 6967)]