13211275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6863}}^1$

素因数の和:6891

約数の個数: 24

約数和(自身を含む): 20427264

約数和(自身を除く): 7215989

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 6863, 34315, 48041, 75493, 171575, 240205, 377465, 528451, 1201025, 1887325, 2642255, 13211275]

約数ペア:

[(1, 13211275), (5, 2642255), (7, 1887325), (11, 1201025), (25, 528451), (35, 377465), (55, 240205), (77, 171575), (175, 75493), (275, 48041), (385, 34315), (1925, 6863)]