28189077

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^2$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 45643968

約数和(自身を除く): 17454891

約数列:

[1, 3, 7, 17, 21, 51, 119, 281, 357, 843, 1967, 4777, 5901, 14331, 33439, 78961, 100317, 236883, 552727, 1342337, 1658181, 4027011, 9396359, 28189077]

約数ペア:

[(1, 28189077), (3, 9396359), (7, 4027011), (17, 1658181), (21, 1342337), (51, 552727), (119, 236883), (281, 100317), (357, 78961), (843, 33439), (1967, 14331), (4777, 5901)]