263885280381

素因数分解:

$3^3\times {\mathrm{47779}}^1\times {\mathrm{204557}}^1$

素因数の和:252345

約数の個数: 16

約数和(自身を含む): 390951249600

約数和(自身を除く): 127065969219

約数列:

[1, 3, 9, 27, 47779, 143337, 204557, 430011, 613671, 1290033, 1841013, 5523039, 9773528903, 29320586709, 87961760127, 263885280381]

約数ペア:

[(1, 263885280381), (3, 87961760127), (9, 29320586709), (27, 9773528903), (47779, 5523039), (143337, 1841013), (204557, 1290033), (430011, 613671)]