81497805

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 132710400

約数和(自身を除く): 51212595

約数列:

[1, 3, 5, 15, 127, 179, 239, 381, 537, 635, 717, 895, 1195, 1905, 2685, 3585, 22733, 30353, 42781, 68199, 91059, 113665, 128343, 151765, 213905, 340995, 455295, 641715, 5433187, 16299561, 27165935, 81497805]

約数ペア:

[(1, 81497805), (3, 27165935), (5, 16299561), (15, 5433187), (127, 641715), (179, 455295), (239, 340995), (381, 213905), (537, 151765), (635, 128343), (717, 113665), (895, 91059), (1195, 68199), (1905, 42781), (2685, 30353), (3585, 22733)]