28618725

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2341}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 47626912

約数和(自身を除く): 19008187

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2341, 2445, 4075, 7023, 11705, 12225, 35115, 58525, 175575, 381583, 1144749, 1907915, 5723745, 9539575, 28618725]

約数ペア:

[(1, 28618725), (3, 9539575), (5, 5723745), (15, 1907915), (25, 1144749), (75, 381583), (163, 175575), (489, 58525), (815, 35115), (2341, 12225), (2445, 11705), (4075, 7023)]