81254173

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{81173}}^1$

素因数の和:81204

約数の個数: 16

約数和(自身を含む): 109097856

約数和(自身を除く): 27843683

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 81173, 568211, 892903, 1055249, 6250321, 7386743, 11607739, 81254173]

約数ペア:

[(1, 81254173), (7, 11607739), (11, 7386743), (13, 6250321), (77, 1055249), (91, 892903), (143, 568211), (1001, 81173)]