28687743

素因数分解:

$3^3\times 7^1\times {\mathrm{151787}}^1$

素因数の和:151803

約数の個数: 16

約数和(自身を含む): 48572160

約数和(自身を除く): 19884417

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 151787, 455361, 1062509, 1366083, 3187527, 4098249, 9562581, 28687743]

約数ペア:

[(1, 28687743), (3, 9562581), (7, 4098249), (9, 3187527), (21, 1366083), (27, 1062509), (63, 455361), (189, 151787)]