2893563

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 20

約数和(自身を含む): 4370520

約数和(自身を除く): 1476957

約数列:

[1, 3, 9, 27, 81, 139, 257, 417, 771, 1251, 2313, 3753, 6939, 11259, 20817, 35723, 107169, 321507, 964521, 2893563]

約数ペア:

[(1, 2893563), (3, 964521), (9, 321507), (27, 107169), (81, 35723), (139, 20817), (257, 11259), (417, 6939), (771, 3753), (1251, 2313)]