207840465

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{219937}}^1$

素因数の和:219958

約数の個数: 32

約数和(自身を含む): 422280960

約数和(自身を除く): 214440495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 219937, 659811, 1099685, 1539559, 1979433, 3299055, 4618677, 5938299, 7697795, 9897165, 13856031, 23093385, 29691495, 41568093, 69280155, 207840465]

約数ペア:

[(1, 207840465), (3, 69280155), (5, 41568093), (7, 29691495), (9, 23093385), (15, 13856031), (21, 9897165), (27, 7697795), (35, 5938299), (45, 4618677), (63, 3299055), (105, 1979433), (135, 1539559), (189, 1099685), (315, 659811), (945, 219937)]