39847959

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1171}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 60944000

約数和(自身を除く): 21096041

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1171, 1791, 3513, 3781, 10539, 11343, 22249, 34029, 66747, 200241, 233029, 699087, 2097261, 4427551, 13282653, 39847959]

約数ペア:

[(1, 39847959), (3, 13282653), (9, 4427551), (19, 2097261), (57, 699087), (171, 233029), (199, 200241), (597, 66747), (1171, 34029), (1791, 22249), (3513, 11343), (3781, 10539)]