81351543

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{297991}}^1$

素因数の和:298014

約数の個数: 16

約数和(自身を含む): 133500416

約数和(自身を除く): 52148873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 297991, 893973, 2085937, 3873883, 6257811, 11621649, 27117181, 81351543]

約数ペア:

[(1, 81351543), (3, 27117181), (7, 11621649), (13, 6257811), (21, 3873883), (39, 2085937), (91, 893973), (273, 297991)]