2648781

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 20

約数和(自身を含む): 4038012

約数和(自身を除く): 1389231

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 617, 1431, 1851, 4293, 5553, 16659, 32701, 49977, 98103, 294309, 882927, 2648781]

約数ペア:

[(1, 2648781), (3, 882927), (9, 294309), (27, 98103), (53, 49977), (81, 32701), (159, 16659), (477, 5553), (617, 4293), (1431, 1851)]