64639881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{378011}}^1$

素因数の和:378036

約数の個数: 12

約数和(自身を含む): 98283120

約数和(自身を除く): 33643239

約数列:

[1, 3, 9, 19, 57, 171, 378011, 1134033, 3402099, 7182209, 21546627, 64639881]

約数ペア:

[(1, 64639881), (3, 21546627), (9, 7182209), (19, 3402099), (57, 1134033), (171, 378011)]