13681045

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2977

約数の個数: 24

約数和(自身を含む): 20109600

約数和(自身を除く): 6428555

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 2939, 4655, 14695, 20573, 55841, 102865, 144011, 279205, 390887, 720055, 1954435, 2736209, 13681045]

約数ペア:

[(1, 13681045), (5, 2736209), (7, 1954435), (19, 720055), (35, 390887), (49, 279205), (95, 144011), (133, 102865), (245, 55841), (665, 20573), (931, 14695), (2939, 4655)]