28133739

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 41961920

約数和(自身を除く): 13828181

約数列:

[1, 3, 9, 43, 129, 139, 387, 417, 523, 1251, 1569, 4707, 5977, 17931, 22489, 53793, 67467, 72697, 202401, 218091, 654273, 3125971, 9377913, 28133739]

約数ペア:

[(1, 28133739), (3, 9377913), (9, 3125971), (43, 654273), (129, 218091), (139, 202401), (387, 72697), (417, 67467), (523, 53793), (1251, 22489), (1569, 17931), (4707, 5977)]