206857989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{34667}}^1$

素因数の和:34706

約数の個数: 32

約数和(自身を含む): 349453440

約数和(自身を除く): 142595451

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 34667, 104001, 312003, 450671, 589339, 936009, 1352013, 1768017, 4056039, 5304051, 7661407, 12168117, 15912153, 22984221, 68952663, 206857989]

約数ペア:

[(1, 206857989), (3, 68952663), (9, 22984221), (13, 15912153), (17, 12168117), (27, 7661407), (39, 5304051), (51, 4056039), (117, 1768017), (153, 1352013), (221, 936009), (351, 589339), (459, 450671), (663, 312003), (1989, 104001), (5967, 34667)]