81340551

素因数分解:

$3^3\times {\mathrm{563}}^1\times {\mathrm{5351}}^1$

素因数の和:5923

約数の個数: 16

約数和(自身を含む): 120741120

約数和(自身を除く): 39400569

約数列:

[1, 3, 9, 27, 563, 1689, 5067, 5351, 15201, 16053, 48159, 144477, 3012613, 9037839, 27113517, 81340551]

約数ペア:

[(1, 81340551), (3, 27113517), (9, 9037839), (27, 3012613), (563, 144477), (1689, 48159), (5067, 16053), (5351, 15201)]