201960405

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78737}}^1$

素因数の和:78770

約数の個数: 32

約数和(自身を含む): 377942400

約数和(自身を除く): 175981995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 78737, 236211, 393685, 708633, 1181055, 1496003, 2125899, 3543165, 4488009, 7480015, 10629495, 13464027, 22440045, 40392081, 67320135, 201960405]

約数ペア:

[(1, 201960405), (3, 67320135), (5, 40392081), (9, 22440045), (15, 13464027), (19, 10629495), (27, 7480015), (45, 4488009), (57, 3543165), (95, 2125899), (135, 1496003), (171, 1181055), (285, 708633), (513, 393685), (855, 236211), (2565, 78737)]