28756863

素因数分解:

$3^{10}\times {\mathrm{487}}^1$

素因数の和:517

約数の個数: 22

約数和(自身を含む): 43223624

約数和(自身を除く): 14466761

約数列:

[1, 3, 9, 27, 81, 243, 487, 729, 1461, 2187, 4383, 6561, 13149, 19683, 39447, 59049, 118341, 355023, 1065069, 3195207, 9585621, 28756863]

約数ペア:

[(1, 28756863), (3, 9585621), (9, 3195207), (27, 1065069), (81, 355023), (243, 118341), (487, 59049), (729, 39447), (1461, 19683), (2187, 13149), (4383, 6561)]