28318425

素因数分解:

$3^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{769}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 46976160

約数和(自身を除く): 18657735

約数列:

[1, 3, 5, 15, 25, 75, 491, 769, 1473, 2307, 2455, 3845, 7365, 11535, 12275, 19225, 36825, 57675, 377579, 1132737, 1887895, 5663685, 9439475, 28318425]

約数ペア:

[(1, 28318425), (3, 9439475), (5, 5663685), (15, 1887895), (25, 1132737), (75, 377579), (491, 57675), (769, 36825), (1473, 19225), (2307, 12275), (2455, 11535), (3845, 7365)]