821240105

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{5227}}^1$

素因数の和:5373

約数の個数: 24

約数和(自身を含む): 1143551808

約数和(自身を除く): 322311703

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 4489, 5227, 22445, 26135, 31423, 36589, 157115, 182945, 350209, 1751045, 2451463, 12257315, 23464003, 117320015, 164248021, 821240105]

約数ペア:

[(1, 821240105), (5, 164248021), (7, 117320015), (35, 23464003), (67, 12257315), (335, 2451463), (469, 1751045), (2345, 350209), (4489, 182945), (5227, 157115), (22445, 36589), (26135, 31423)]