28447503

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{859}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 46233600

約数和(自身を除く): 17786097

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 859, 1577, 1743, 2577, 4731, 6013, 11039, 16321, 18039, 33117, 48963, 71297, 114247, 213891, 342741, 499079, 1354643, 1497237, 4063929, 9482501, 28447503]

約数ペア:

[(1, 28447503), (3, 9482501), (7, 4063929), (19, 1497237), (21, 1354643), (57, 499079), (83, 342741), (133, 213891), (249, 114247), (399, 71297), (581, 48963), (859, 33117), (1577, 18039), (1743, 16321), (2577, 11039), (4731, 6013)]