168647739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 252270144

約数和(自身を除く): 83622405

約数列:

[1, 3, 13, 37, 39, 73, 111, 219, 481, 949, 1443, 1601, 2701, 2847, 4803, 8103, 20813, 35113, 59237, 62439, 105339, 116873, 177711, 350619, 770081, 1519349, 2310243, 4324301, 4558047, 12972903, 56215913, 168647739]

約数ペア:

[(1, 168647739), (3, 56215913), (13, 12972903), (37, 4558047), (39, 4324301), (73, 2310243), (111, 1519349), (219, 770081), (481, 350619), (949, 177711), (1443, 116873), (1601, 105339), (2701, 62439), (2847, 59237), (4803, 35113), (8103, 20813)]