15138431

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 19394592

約数和(自身を除く): 4256161

約数列:

[1, 7, 11, 61, 77, 121, 293, 427, 671, 847, 2051, 3223, 4697, 7381, 17873, 22561, 35453, 51667, 125111, 196603, 248171, 1376221, 2162633, 15138431]

約数ペア:

[(1, 15138431), (7, 2162633), (11, 1376221), (61, 248171), (77, 196603), (121, 125111), (293, 51667), (427, 35453), (671, 22561), (847, 17873), (2051, 7381), (3223, 4697)]