15781797

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 25465176

約数和(自身を除く): 9683379

約数列:

[1, 3, 9, 17, 27, 51, 73, 81, 153, 157, 219, 459, 471, 657, 1241, 1377, 1413, 1971, 2669, 3723, 4239, 5913, 8007, 11169, 11461, 12717, 24021, 33507, 34383, 72063, 100521, 103149, 194837, 216189, 309447, 584511, 928341, 1753533, 5260599, 15781797]

約数ペア:

[(1, 15781797), (3, 5260599), (9, 1753533), (17, 928341), (27, 584511), (51, 309447), (73, 216189), (81, 194837), (153, 103149), (157, 100521), (219, 72063), (459, 34383), (471, 33507), (657, 24021), (1241, 12717), (1377, 11461), (1413, 11169), (1971, 8007), (2669, 5913), (3723, 4239)]