27957231

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 44953920

約数和(自身を除く): 16996689

約数列:

[1, 3, 9, 17, 27, 51, 79, 81, 153, 237, 257, 459, 711, 771, 1343, 1377, 2133, 2313, 4029, 4369, 6399, 6939, 12087, 13107, 20303, 20817, 36261, 39321, 60909, 108783, 117963, 182727, 345151, 353889, 548181, 1035453, 1644543, 3106359, 9319077, 27957231]

約数ペア:

[(1, 27957231), (3, 9319077), (9, 3106359), (17, 1644543), (27, 1035453), (51, 548181), (79, 353889), (81, 345151), (153, 182727), (237, 117963), (257, 108783), (459, 60909), (711, 39321), (771, 36261), (1343, 20817), (1377, 20303), (2133, 13107), (2313, 12087), (4029, 6939), (4369, 6399)]