2819907

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1551

約数の個数: 16

約数和(自身を含む): 4239360

約数和(自身を除く): 1419453

約数列:

[1, 3, 9, 27, 71, 213, 639, 1471, 1917, 4413, 13239, 39717, 104441, 313323, 939969, 2819907]

約数ペア:

[(1, 2819907), (3, 939969), (9, 313323), (27, 104441), (71, 39717), (213, 13239), (639, 4413), (1471, 1917)]