16931439

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15809}}^1$

素因数の和:15839

約数の個数: 24

約数和(自身を含む): 29596320

約数和(自身を除く): 12664881

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 15809, 47427, 110663, 142281, 268753, 331989, 806259, 995967, 1881271, 2418777, 5643813, 16931439]

約数ペア:

[(1, 16931439), (3, 5643813), (7, 2418777), (9, 1881271), (17, 995967), (21, 806259), (51, 331989), (63, 268753), (119, 142281), (153, 110663), (357, 47427), (1071, 15809)]