81318951

素因数分解:

$3^3\times 7^1\times {\mathrm{430259}}^1$

素因数の和:430275

約数の個数: 16

約数和(自身を含む): 137683200

約数和(自身を除く): 56364249

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 430259, 1290777, 3011813, 3872331, 9035439, 11616993, 27106317, 81318951]

約数ペア:

[(1, 81318951), (3, 27106317), (7, 11616993), (9, 9035439), (21, 3872331), (27, 3011813), (63, 1290777), (189, 430259)]