128711025

素因数分解:

$3^5\times 5^2\times {\mathrm{21187}}^1$

素因数の和:21212

約数の個数: 36

約数和(自身を含む): 239085392

約数和(自身を除く): 110374367

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 21187, 63561, 105935, 190683, 317805, 529675, 572049, 953415, 1589025, 1716147, 2860245, 4767075, 5148441, 8580735, 14301225, 25742205, 42903675, 128711025]

約数ペア:

[(1, 128711025), (3, 42903675), (5, 25742205), (9, 14301225), (15, 8580735), (25, 5148441), (27, 4767075), (45, 2860245), (75, 1716147), (81, 1589025), (135, 953415), (225, 572049), (243, 529675), (405, 317805), (675, 190683), (1215, 105935), (2025, 63561), (6075, 21187)]