221394173

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{221173}}^1$

素因数の和:221204

約数の個数: 16

約数和(自身を含む): 297257856

約数和(自身を除く): 75863683

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 221173, 1548211, 2432903, 2875249, 17030321, 20126743, 31627739, 221394173]

約数ペア:

[(1, 221394173), (7, 31627739), (11, 20126743), (13, 17030321), (77, 2875249), (91, 2432903), (143, 1548211), (1001, 221173)]