208761553

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{208553}}^1$

素因数の和:208584

約数の個数: 16

約数和(自身を含む): 280296576

約数和(自身を除く): 71535023

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 208553, 1459871, 2294083, 2711189, 16058581, 18978323, 29823079, 208761553]

約数ペア:

[(1, 208761553), (7, 29823079), (11, 18978323), (13, 16058581), (77, 2711189), (91, 2294083), (143, 1459871), (1001, 208553)]