28985475

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2371}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 48236992

約数和(自身を除く): 19251517

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2371, 2445, 4075, 7113, 11855, 12225, 35565, 59275, 177825, 386473, 1159419, 1932365, 5797095, 9661825, 28985475]

約数ペア:

[(1, 28985475), (3, 9661825), (5, 5797095), (15, 1932365), (25, 1159419), (75, 386473), (163, 177825), (489, 59275), (815, 35565), (2371, 12225), (2445, 11855), (4075, 7113)]