28203075

素因数分解:

$3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 50890840

約数和(自身を除く): 22687765

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 163, 225, 489, 769, 815, 1467, 2307, 2445, 3845, 4075, 6921, 7335, 11535, 12225, 19225, 34605, 36675, 57675, 125347, 173025, 376041, 626735, 1128123, 1880205, 3133675, 5640615, 9401025, 28203075]

約数ペア:

[(1, 28203075), (3, 9401025), (5, 5640615), (9, 3133675), (15, 1880205), (25, 1128123), (45, 626735), (75, 376041), (163, 173025), (225, 125347), (489, 57675), (769, 36675), (815, 34605), (1467, 19225), (2307, 12225), (2445, 11535), (3845, 7335), (4075, 6921)]