20172932469

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{954209}}^1$

素因数の和:954256

約数の個数: 28

約数和(自身を含む): 31288545900

約数和(自身を除く): 11115613431

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 2349, 7047, 21141, 954209, 2862627, 8587881, 25763643, 27672061, 77290929, 83016183, 231872787, 249048549, 695618361, 747145647, 2241436941, 6724310823, 20172932469]

約数ペア:

[(1, 20172932469), (3, 6724310823), (9, 2241436941), (27, 747145647), (29, 695618361), (81, 249048549), (87, 231872787), (243, 83016183), (261, 77290929), (729, 27672061), (783, 25763643), (2349, 8587881), (7047, 2862627), (21141, 954209)]