28282317

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 17751603

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 971, 1387, 1533, 2913, 4161, 6797, 9709, 18449, 20391, 29127, 55347, 70883, 129143, 212649, 387429, 496181, 1346777, 1488543, 4040331, 9427439, 28282317]

約数ペア:

[(1, 28282317), (3, 9427439), (7, 4040331), (19, 1488543), (21, 1346777), (57, 496181), (73, 387429), (133, 212649), (219, 129143), (399, 70883), (511, 55347), (971, 29127), (1387, 20391), (1533, 18449), (2913, 9709), (4161, 6797)]