278875293

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3643}}^1$

素因数の和:3761

約数の個数: 32

約数和(自身を含む): 419788800

約数和(自身を除く): 140913507

約数列:

[1, 3, 17, 19, 51, 57, 79, 237, 323, 969, 1343, 1501, 3643, 4029, 4503, 10929, 25517, 61931, 69217, 76551, 185793, 207651, 287797, 863391, 1176689, 3530067, 4892549, 5468143, 14677647, 16404429, 92958431, 278875293]

約数ペア:

[(1, 278875293), (3, 92958431), (17, 16404429), (19, 14677647), (51, 5468143), (57, 4892549), (79, 3530067), (237, 1176689), (323, 863391), (969, 287797), (1343, 207651), (1501, 185793), (3643, 76551), (4029, 69217), (4503, 61931), (10929, 25517)]