15989421

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17707}}^1$

素因数の和:17760

約数の個数: 16

約数和(自身を含む): 24932864

約数和(自身を除く): 8943443

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 17707, 53121, 123949, 371847, 761401, 2284203, 5329807, 15989421]

約数ペア:

[(1, 15989421), (3, 5329807), (7, 2284203), (21, 761401), (43, 371847), (129, 123949), (301, 53121), (903, 17707)]