12738438921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{13729}}^1$

素因数の和:14425

約数の個数: 32

約数和(自身を含む): 18816031360

約数和(自身を除く): 6077592439

約数列:

[1, 3, 13, 37, 39, 111, 481, 643, 1443, 1929, 8359, 13729, 23791, 25077, 41187, 71373, 178477, 309283, 507973, 535431, 927849, 1523919, 6603649, 8827747, 19810947, 26483241, 114760711, 326626639, 344282133, 979879917, 4246146307, 12738438921]

約数ペア:

[(1, 12738438921), (3, 4246146307), (13, 979879917), (37, 344282133), (39, 326626639), (111, 114760711), (481, 26483241), (643, 19810947), (1443, 8827747), (1929, 6603649), (8359, 1523919), (13729, 927849), (23791, 535431), (25077, 507973), (41187, 309283), (71373, 178477)]