81570909

素因数分解:

$3^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{4409}}^1$

素因数の和:5300

約数の個数: 16

約数和(自身を含む): 124467840

約数和(自身を除く): 42896931

約数列:

[1, 3, 7, 21, 881, 2643, 4409, 6167, 13227, 18501, 30863, 92589, 3884329, 11652987, 27190303, 81570909]

約数ペア:

[(1, 81570909), (3, 27190303), (7, 11652987), (21, 3884329), (881, 92589), (2643, 30863), (4409, 18501), (6167, 13227)]