28731783

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 39764736

約数和(自身を除く): 11032953

約数列:

[1, 3, 43, 71, 129, 213, 3053, 3137, 9159, 9411, 134891, 222727, 404673, 668181, 9577261, 28731783]

約数ペア:

[(1, 28731783), (3, 9577261), (43, 668181), (71, 404673), (129, 222727), (213, 134891), (3053, 9411), (3137, 9159)]