81583677

素因数分解:

$3^2\times 7^2\times {\mathrm{184997}}^1$

素因数の和:185017

約数の個数: 18

約数和(自身を含む): 137083518

約数和(自身を除く): 55499841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 184997, 554991, 1294979, 1664973, 3884937, 9064853, 11654811, 27194559, 81583677]

約数ペア:

[(1, 81583677), (3, 27194559), (7, 11654811), (9, 9064853), (21, 3884937), (49, 1664973), (63, 1294979), (147, 554991), (441, 184997)]