28991937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{32321}}^1$

素因数の和:32360

約数の個数: 16

約数和(自身を含む): 43440768

約数和(自身を除く): 14448831

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 32321, 96963, 420173, 743383, 1260519, 2230149, 9663979, 28991937]

約数ペア:

[(1, 28991937), (3, 9663979), (13, 2230149), (23, 1260519), (39, 743383), (69, 420173), (299, 96963), (897, 32321)]