867105

素因数分解:

$3^4\times 5^1\times {\mathrm{2141}}^1$

素因数の和:2158

約数の個数: 20

約数和(自身を含む): 1555092

約数和(自身を除く): 687987

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2141, 6423, 10705, 19269, 32115, 57807, 96345, 173421, 289035, 867105]

約数ペア:

[(1, 867105), (3, 289035), (5, 173421), (9, 96345), (15, 57807), (27, 32115), (45, 19269), (81, 10705), (135, 6423), (405, 2141)]