4020405

素因数分解:

$3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{619}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 6457920

約数和(自身を除く): 2437515

約数列:

[1, 3, 5, 15, 433, 619, 1299, 1857, 2165, 3095, 6495, 9285, 268027, 804081, 1340135, 4020405]

約数ペア:

[(1, 4020405), (3, 1340135), (5, 804081), (15, 268027), (433, 9285), (619, 6495), (1299, 3095), (1857, 2165)]