205440225

素因数分解:

$3^1\times 5^2\times {\mathrm{2739203}}^1$

素因数の和:2739216

約数の個数: 12

約数和(自身を含む): 339661296

約数和(自身を除く): 134221071

約数列:

[1, 3, 5, 15, 25, 75, 2739203, 8217609, 13696015, 41088045, 68480075, 205440225]

約数ペア:

[(1, 205440225), (3, 68480075), (5, 41088045), (15, 13696015), (25, 8217609), (75, 2739203)]