13128753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20939}}^1$

素因数の和:20972

約数の個数: 16

約数和(自身を含む): 20102400

約数和(自身を除く): 6973647

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20939, 62817, 230329, 397841, 690987, 1193523, 4376251, 13128753]

約数ペア:

[(1, 13128753), (3, 4376251), (11, 1193523), (19, 690987), (33, 397841), (57, 230329), (209, 62817), (627, 20939)]