81378231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{57349}}^1$

素因数の和:57406

約数の個数: 16

約数和(自身を含む): 121123200

約数和(自身を除く): 39744969

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 57349, 172047, 630839, 1892517, 2466007, 7398021, 27126077, 81378231]

約数ペア:

[(1, 81378231), (3, 27126077), (11, 7398021), (33, 2466007), (43, 1892517), (129, 630839), (473, 172047), (1419, 57349)]