2778396543

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1249841}}^1$

素因数の和:1249879

約数の個数: 24

約数和(自身を含む): 4549424880

約数和(自身を除く): 1771028337

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 1249841, 3749523, 11248569, 16247933, 23746979, 48743799, 71240937, 146231397, 213722811, 308710727, 926132181, 2778396543]

約数ペア:

[(1, 2778396543), (3, 926132181), (9, 308710727), (13, 213722811), (19, 146231397), (39, 71240937), (57, 48743799), (117, 23746979), (171, 16247933), (247, 11248569), (741, 3749523), (2223, 1249841)]