812778891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{28307}}^1$

素因数の和:28890

約数の個数: 16

約数和(自身を含む): 1149531264

約数和(自身を除く): 336752373

約数列:

[1, 3, 17, 51, 563, 1689, 9571, 28307, 28713, 84921, 481219, 1443657, 15936841, 47810523, 270926297, 812778891]

約数ペア:

[(1, 812778891), (3, 270926297), (17, 47810523), (51, 15936841), (563, 1443657), (1689, 481219), (9571, 84921), (28307, 28713)]