15421217

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2467}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 18954240

約数和(自身を除く): 3533023

約数列:

[1, 7, 19, 47, 133, 329, 893, 2467, 6251, 17269, 46873, 115949, 328111, 811643, 2203031, 15421217]

約数ペア:

[(1, 15421217), (7, 2203031), (19, 811643), (47, 328111), (133, 115949), (329, 46873), (893, 17269), (2467, 6251)]