28165731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 43794432

約数和(自身を除く): 15628701

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 253, 473, 759, 863, 989, 1419, 2589, 2967, 9493, 10879, 19849, 28479, 32637, 37109, 59547, 111327, 218339, 408199, 655017, 853507, 1224597, 2560521, 9388577, 28165731]

約数ペア:

[(1, 28165731), (3, 9388577), (11, 2560521), (23, 1224597), (33, 853507), (43, 655017), (69, 408199), (129, 218339), (253, 111327), (473, 59547), (759, 37109), (863, 32637), (989, 28479), (1419, 19849), (2589, 10879), (2967, 9493)]