28872765

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17341}}^1$

素因数の和:17389

約数の個数: 24

約数和(自身を含む): 51401688

約数和(自身を除く): 22528923

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 17341, 52023, 86705, 156069, 260115, 641617, 780345, 1924851, 3208085, 5774553, 9624255, 28872765]

約数ペア:

[(1, 28872765), (3, 9624255), (5, 5774553), (9, 3208085), (15, 1924851), (37, 780345), (45, 641617), (111, 260115), (185, 156069), (333, 86705), (555, 52023), (1665, 17341)]