85657905

素因数分解:

$3^4\times 5^1\times {\mathrm{211501}}^1$

素因数の和:211518

約数の個数: 20

約数和(自身を含む): 153550452

約数和(自身を除く): 67892547

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 211501, 634503, 1057505, 1903509, 3172515, 5710527, 9517545, 17131581, 28552635, 85657905]

約数ペア:

[(1, 85657905), (3, 28552635), (5, 17131581), (9, 9517545), (15, 5710527), (27, 3172515), (45, 1903509), (81, 1057505), (135, 634503), (405, 211501)]