81057021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{33071}}^1$

素因数の和:33136

約数の個数: 16

約数和(自身を含む): 116413440

約数和(自身を除く): 35356419

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 33071, 99213, 628349, 1422053, 1885047, 4266159, 27019007, 81057021]

約数ペア:

[(1, 81057021), (3, 27019007), (19, 4266159), (43, 1885047), (57, 1422053), (129, 628349), (817, 99213), (2451, 33071)]