28738749

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17137}}^1$

素因数の和:17196

約数の個数: 16

約数和(自身を含む): 42228032

約数和(自身を除く): 13489283

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 17137, 51411, 222781, 668343, 736891, 2210673, 9579583, 28738749]

約数ペア:

[(1, 28738749), (3, 9579583), (13, 2210673), (39, 736891), (43, 668343), (129, 222781), (559, 51411), (1677, 17137)]