81329703

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{297911}}^1$

素因数の和:297934

約数の個数: 16

約数和(自身を含む): 133464576

約数和(自身を除く): 52134873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 297911, 893733, 2085377, 3872843, 6256131, 11618529, 27109901, 81329703]

約数ペア:

[(1, 81329703), (3, 27109901), (7, 11618529), (13, 6256131), (21, 3872843), (39, 2085377), (91, 893733), (273, 297911)]