81234181

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3697}}^1$

素因数の和:3820

約数の個数: 16

約数和(自身を含む): 96325504

約数和(自身を除く): 15091323

約数列:

[1, 7, 43, 73, 301, 511, 3139, 3697, 21973, 25879, 158971, 269881, 1112797, 1889167, 11604883, 81234181]

約数ペア:

[(1, 81234181), (7, 11604883), (43, 1889167), (73, 1112797), (301, 269881), (511, 158971), (3139, 25879), (3697, 21973)]