1990785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 3480192

約数和(自身を除く): 1489407

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 211, 255, 555, 629, 633, 1055, 1887, 3145, 3165, 3587, 7807, 9435, 10761, 17935, 23421, 39035, 53805, 117105, 132719, 398157, 663595, 1990785]

約数ペア:

[(1, 1990785), (3, 663595), (5, 398157), (15, 132719), (17, 117105), (37, 53805), (51, 39035), (85, 23421), (111, 17935), (185, 10761), (211, 9435), (255, 7807), (555, 3587), (629, 3165), (633, 3145), (1055, 1887)]