20131427259

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3500509}}^1$

素因数の和:3500592

約数の個数: 20

約数和(自身を含む): 30496443120

約数和(自身を除く): 10365015861

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 3500509, 10501527, 31504581, 94513743, 248536139, 283541229, 745608417, 2236825251, 6710475753, 20131427259]

約数ペア:

[(1, 20131427259), (3, 6710475753), (9, 2236825251), (27, 745608417), (71, 283541229), (81, 248536139), (213, 94513743), (639, 31504581), (1917, 10501527), (5751, 3500509)]