187420155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4349}}^1$

素因数の和:4400

約数の個数: 48

約数和(自身を含む): 343893600

約数和(自身を除く): 156473445

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 507, 663, 845, 1105, 2535, 2873, 3315, 4349, 8619, 13047, 14365, 21745, 43095, 56537, 65235, 73933, 169611, 221799, 282685, 369665, 734981, 848055, 961129, 1108995, 2204943, 2883387, 3674905, 4805645, 11024715, 12494677, 14416935, 37484031, 62473385, 187420155]

約数ペア:

[(1, 187420155), (3, 62473385), (5, 37484031), (13, 14416935), (15, 12494677), (17, 11024715), (39, 4805645), (51, 3674905), (65, 2883387), (85, 2204943), (169, 1108995), (195, 961129), (221, 848055), (255, 734981), (507, 369665), (663, 282685), (845, 221799), (1105, 169611), (2535, 73933), (2873, 65235), (3315, 56537), (4349, 43095), (8619, 21745), (13047, 14365)]