81161213

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{2179}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 98570880

約数和(自身を除く): 17409667

約数列:

[1, 7, 17, 119, 313, 2179, 2191, 5321, 15253, 37043, 37247, 259301, 682027, 4774189, 11594459, 81161213]

約数ペア:

[(1, 81161213), (7, 11594459), (17, 4774189), (119, 682027), (313, 259301), (2179, 37247), (2191, 37043), (5321, 15253)]