80851845

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{145679}}^1$

素因数の和:145724

約数の個数: 16

約数和(自身を含む): 132860160

約数和(自身を除く): 52008315

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 145679, 437037, 728395, 2185185, 5390123, 16170369, 26950615, 80851845]

約数ペア:

[(1, 80851845), (3, 26950615), (5, 16170369), (15, 5390123), (37, 2185185), (111, 728395), (185, 437037), (555, 145679)]