31899249

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 47567520

約数和(自身を除く): 15668271

約数列:

[1, 3, 9, 43, 129, 139, 387, 417, 593, 1251, 1779, 5337, 5977, 17931, 25499, 53793, 76497, 82427, 229491, 247281, 741843, 3544361, 10633083, 31899249]

約数ペア:

[(1, 31899249), (3, 10633083), (9, 3544361), (43, 741843), (129, 247281), (139, 229491), (387, 82427), (417, 76497), (593, 53793), (1251, 25499), (1779, 17931), (5337, 5977)]