1128987

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 1774656

約数和(自身を除く): 645669

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 157, 423, 471, 799, 1413, 2397, 2669, 7191, 7379, 8007, 22137, 24021, 66411, 125443, 376329, 1128987]

約数ペア:

[(1, 1128987), (3, 376329), (9, 125443), (17, 66411), (47, 24021), (51, 22137), (141, 8007), (153, 7379), (157, 7191), (423, 2669), (471, 2397), (799, 1413)]