221558909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{91139}}^1$

素因数の和:91180

約数の個数: 16

約数和(自身を含む): 275607360

約数和(自身を除く): 54048451

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 91139, 1002529, 1184807, 1549363, 13032877, 17042993, 20141719, 221558909]

約数ペア:

[(1, 221558909), (11, 20141719), (13, 17042993), (17, 13032877), (143, 1549363), (187, 1184807), (221, 1002529), (2431, 91139)]