28748235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5309}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 48554640

約数和(自身を除く): 19806405

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5309, 5415, 15927, 26545, 79635, 100871, 302613, 504355, 1513065, 1916549, 5749647, 9582745, 28748235]

約数ペア:

[(1, 28748235), (3, 9582745), (5, 5749647), (15, 1916549), (19, 1513065), (57, 504355), (95, 302613), (285, 100871), (361, 79635), (1083, 26545), (1805, 15927), (5309, 5415)]