217645571

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{13469}}^1$

素因数の和:13606

約数の個数: 16

約数和(自身を含む): 257977440

約数和(自身を除く): 40331869

約数列:

[1, 11, 13, 113, 143, 1243, 1469, 13469, 16159, 148159, 175097, 1521997, 1926067, 16741967, 19785961, 217645571]

約数ペア:

[(1, 217645571), (11, 19785961), (13, 16741967), (113, 1926067), (143, 1521997), (1243, 175097), (1469, 148159), (13469, 16159)]