13409585

素因数分解:

$5^1\times 7^4\times {\mathrm{1117}}^1$

素因数の和:1150

約数の個数: 20

約数和(自身を含む): 18789108

約数和(自身を除く): 5379523

約数列:

[1, 5, 7, 35, 49, 245, 343, 1117, 1715, 2401, 5585, 7819, 12005, 39095, 54733, 273665, 383131, 1915655, 2681917, 13409585]

約数ペア:

[(1, 13409585), (5, 2681917), (7, 1915655), (35, 383131), (49, 273665), (245, 54733), (343, 39095), (1117, 12005), (1715, 7819), (2401, 5585)]