128256465

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{140171}}^1$

素因数の和:140240

約数の個数: 16

約数和(自身を含む): 208575936

約数和(自身を除く): 80319471

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 140171, 420513, 700855, 2102565, 8550431, 25651293, 42752155, 128256465]

約数ペア:

[(1, 128256465), (3, 42752155), (5, 25651293), (15, 8550431), (61, 2102565), (183, 700855), (305, 420513), (915, 140171)]