861165

素因数分解:

$3^3\times 5^1\times {\mathrm{6379}}^1$

素因数の和:6393

約数の個数: 16

約数和(自身を含む): 1531200

約数和(自身を除く): 670035

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 6379, 19137, 31895, 57411, 95685, 172233, 287055, 861165]

約数ペア:

[(1, 861165), (3, 287055), (5, 172233), (9, 95685), (15, 57411), (27, 31895), (45, 19137), (135, 6379)]