28686231

素因数分解:

$3^4\times 7^1\times {\mathrm{50593}}^1$

素因数の和:50612

約数の個数: 20

約数和(自身を含む): 48974992

約数和(自身を除く): 20288761

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50593, 151779, 354151, 455337, 1062453, 1366011, 3187359, 4098033, 9562077, 28686231]

約数ペア:

[(1, 28686231), (3, 9562077), (7, 4098033), (9, 3187359), (21, 1366011), (27, 1062453), (63, 455337), (81, 354151), (189, 151779), (567, 50593)]