2744721

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 4771520

約数和(自身を除く): 2026799

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2293, 6879, 16051, 20637, 43567, 48153, 130701, 144459, 304969, 392103, 914907, 2744721]

約数ペア:

[(1, 2744721), (3, 914907), (7, 392103), (9, 304969), (19, 144459), (21, 130701), (57, 48153), (63, 43567), (133, 20637), (171, 16051), (399, 6879), (1197, 2293)]