81182081253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{297370261}}^1$

素因数の和:297370284

約数の個数: 16

約数和(自身を含む): 133221877376

約数和(自身を除く): 52039796123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 297370261, 892110783, 2081591827, 3865813393, 6244775481, 11597440179, 27060693751, 81182081253]

約数ペア:

[(1, 81182081253), (3, 27060693751), (7, 11597440179), (13, 6244775481), (21, 3865813393), (39, 2081591827), (91, 892110783), (273, 297370261)]