1528752715

素因数分解:

$5^1\times 7^4\times {\mathrm{127343}}^1$

素因数の和:127376

約数の個数: 20

約数和(自身を含む): 2140143264

約数和(自身を除く): 611390549

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 127343, 636715, 891401, 4457005, 6239807, 31199035, 43678649, 218393245, 305750543, 1528752715]

約数ペア:

[(1, 1528752715), (5, 305750543), (7, 218393245), (35, 43678649), (49, 31199035), (245, 6239807), (343, 4457005), (1715, 891401), (2401, 636715), (12005, 127343)]