81297307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{6521}}^1$

素因数の和:6678

約数の個数: 16

約数和(自身を含む): 100804032

約数和(自身を除く): 19506725

約数列:

[1, 7, 13, 91, 137, 959, 1781, 6521, 12467, 45647, 84773, 593411, 893377, 6253639, 11613901, 81297307]

約数ペア:

[(1, 81297307), (7, 11613901), (13, 6253639), (91, 893377), (137, 593411), (959, 84773), (1781, 45647), (6521, 12467)]