15663878391

素因数分解:

$3^1\times 7^1\times {\mathrm{5431}}^1\times {\mathrm{137341}}^1$

素因数の和:142782

約数の個数: 16

約数和(自身を含む): 23873335808

約数和(自身を除く): 8209457417

約数列:

[1, 3, 7, 21, 5431, 16293, 38017, 114051, 137341, 412023, 961387, 2884161, 745898971, 2237696913, 5221292797, 15663878391]

約数ペア:

[(1, 15663878391), (3, 5221292797), (7, 2237696913), (21, 745898971), (5431, 2884161), (16293, 961387), (38017, 412023), (114051, 137341)]