28019475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11321}}^1$

素因数の和:11348

約数の個数: 36

約数和(自身を含む): 54753192

約数和(自身を除く): 26733717

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 11321, 33963, 56605, 101889, 124531, 169815, 283025, 373593, 509445, 622655, 849075, 1120779, 1867965, 2547225, 3113275, 5603895, 9339825, 28019475]

約数ペア:

[(1, 28019475), (3, 9339825), (5, 5603895), (9, 3113275), (11, 2547225), (15, 1867965), (25, 1120779), (33, 849075), (45, 622655), (55, 509445), (75, 373593), (99, 283025), (165, 169815), (225, 124531), (275, 101889), (495, 56605), (825, 33963), (2475, 11321)]