28363275

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3407}}^1$

素因数の和:3460

約数の個数: 36

約数和(自身を含む): 52190112

約数和(自身を除く): 23826837

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 3407, 8325, 10221, 17035, 30663, 51105, 85175, 126059, 153315, 255525, 378177, 630295, 766575, 1134531, 1890885, 3151475, 5672655, 9454425, 28363275]

約数ペア:

[(1, 28363275), (3, 9454425), (5, 5672655), (9, 3151475), (15, 1890885), (25, 1134531), (37, 766575), (45, 630295), (75, 378177), (111, 255525), (185, 153315), (225, 126059), (333, 85175), (555, 51105), (925, 30663), (1665, 17035), (2775, 10221), (3407, 8325)]