25205145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{240049}}^1$

素因数の和:240064

約数の個数: 16

約数和(自身を含む): 46089600

約数和(自身を除く): 20884455

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 240049, 720147, 1200245, 1680343, 3600735, 5041029, 8401715, 25205145]

約数ペア:

[(1, 25205145), (3, 8401715), (5, 5041029), (7, 3600735), (15, 1680343), (21, 1200245), (35, 720147), (105, 240049)]