128248731

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21493}}^1$

素因数の和:21532

約数の個数: 32

約数和(自身を含む): 216659520

約数和(自身を除く): 88410789

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 21493, 64479, 193437, 279409, 365381, 580311, 838227, 1096143, 2514681, 3288429, 4749953, 7544043, 9865287, 14249859, 42749577, 128248731]

約数ペア:

[(1, 128248731), (3, 42749577), (9, 14249859), (13, 9865287), (17, 7544043), (27, 4749953), (39, 3288429), (51, 2514681), (117, 1096143), (153, 838227), (221, 580311), (351, 365381), (459, 279409), (663, 193437), (1989, 64479), (5967, 21493)]