81044509

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28729}}^1$

素因数の和:28780

約数の個数: 16

約数和(自身を含む): 102968320

約数和(自身を除く): 21923811

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 28729, 201103, 373477, 890599, 2614339, 6234193, 11577787, 81044509]

約数ペア:

[(1, 81044509), (7, 11577787), (13, 6234193), (31, 2614339), (91, 890599), (217, 373477), (403, 201103), (2821, 28729)]