12115985

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 17913960

約数和(自身を除く): 5797975

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 2909, 4165, 14545, 20363, 49453, 101815, 142541, 247265, 346171, 712705, 1730855, 2423197, 12115985]

約数ペア:

[(1, 12115985), (5, 2423197), (7, 1730855), (17, 712705), (35, 346171), (49, 247265), (85, 142541), (119, 101815), (245, 49453), (595, 20363), (833, 14545), (2909, 4165)]