86805999

素因数分解:

$3^4\times 7^2\times {\mathrm{21871}}^1$

素因数の和:21897

約数の個数: 30

約数和(自身を含む): 150851184

約数和(自身を除く): 64045185

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 21871, 65613, 153097, 196839, 459291, 590517, 1071679, 1377873, 1771551, 3215037, 4133619, 9645111, 12400857, 28935333, 86805999]

約数ペア:

[(1, 86805999), (3, 28935333), (7, 12400857), (9, 9645111), (21, 4133619), (27, 3215037), (49, 1771551), (63, 1377873), (81, 1071679), (147, 590517), (189, 459291), (441, 196839), (567, 153097), (1323, 65613), (3969, 21871)]