199966563

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{145219}}^1$

素因数の和:145248

約数の個数: 20

約数和(自身を含む): 316289160

約数和(自身を除く): 116322597

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 145219, 435657, 1306971, 2468723, 3920913, 7406169, 11762739, 22218507, 66655521, 199966563]

約数ペア:

[(1, 199966563), (3, 66655521), (9, 22218507), (17, 11762739), (27, 7406169), (51, 3920913), (81, 2468723), (153, 1306971), (459, 435657), (1377, 145219)]