28874025

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 52075660

約数和(自身を除く): 23201635

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 543, 709, 905, 1629, 2127, 2715, 3545, 4525, 6381, 8145, 10635, 13575, 17725, 31905, 40725, 53175, 128329, 159525, 384987, 641645, 1154961, 1924935, 3208225, 5774805, 9624675, 28874025]

約数ペア:

[(1, 28874025), (3, 9624675), (5, 5774805), (9, 3208225), (15, 1924935), (25, 1154961), (45, 641645), (75, 384987), (181, 159525), (225, 128329), (543, 53175), (709, 40725), (905, 31905), (1629, 17725), (2127, 13575), (2715, 10635), (3545, 8145), (4525, 6381)]