201008181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 297364608

約数和(自身を除く): 96356427

約数列:

[1, 3, 11, 33, 137, 173, 257, 411, 519, 771, 1507, 1903, 2827, 4521, 5709, 8481, 23701, 35209, 44461, 71103, 105627, 133383, 260711, 387299, 489071, 782133, 1161897, 1467213, 6091157, 18273471, 67002727, 201008181]

約数ペア:

[(1, 201008181), (3, 67002727), (11, 18273471), (33, 6091157), (137, 1467213), (173, 1161897), (257, 782133), (411, 489071), (519, 387299), (771, 260711), (1507, 133383), (1903, 105627), (2827, 71103), (4521, 44461), (5709, 35209), (8481, 23701)]