128339991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{365641}}^1$

素因数の和:365663

約数の個数: 16

約数和(自身を含む): 204759520

約数和(自身を除く): 76419529

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 365641, 1096923, 3290769, 4753333, 9872307, 14259999, 42779997, 128339991]

約数ペア:

[(1, 128339991), (3, 42779997), (9, 14259999), (13, 9872307), (27, 4753333), (39, 3290769), (117, 1096923), (351, 365641)]