289593087

素因数分解:

$3^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{4447}}^1$

素因数の和:4907

約数の個数: 24

約数和(自身を含む): 450279936

約数和(自身を除く): 160686849

約数列:

[1, 3, 7, 21, 49, 147, 443, 1329, 3101, 4447, 9303, 13341, 21707, 31129, 65121, 93387, 217903, 653709, 1970021, 5910063, 13790147, 41370441, 96531029, 289593087]

約数ペア:

[(1, 289593087), (3, 96531029), (7, 41370441), (21, 13790147), (49, 5910063), (147, 1970021), (443, 653709), (1329, 217903), (3101, 93387), (4447, 65121), (9303, 31129), (13341, 21707)]