28856205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 57792384

約数和(自身を除く): 28936179

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 505, 707, 907, 909, 1515, 2121, 2721, 3535, 4535, 4545, 6349, 6363, 8163, 10605, 13605, 19047, 31745, 31815, 40815, 57141, 91607, 95235, 274821, 285705, 458035, 641249, 824463, 1374105, 1923747, 3206245, 4122315, 5771241, 9618735, 28856205]

約数ペア:

[(1, 28856205), (3, 9618735), (5, 5771241), (7, 4122315), (9, 3206245), (15, 1923747), (21, 1374105), (35, 824463), (45, 641249), (63, 458035), (101, 285705), (105, 274821), (303, 95235), (315, 91607), (505, 57141), (707, 40815), (907, 31815), (909, 31745), (1515, 19047), (2121, 13605), (2721, 10605), (3535, 8163), (4535, 6363), (4545, 6349)]