81456657

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{3191}}^1$

素因数の和:3388

約数の個数: 16

約数和(自身を含む): 111132672

約数和(自身を除く): 29676015

約数列:

[1, 3, 67, 127, 201, 381, 3191, 8509, 9573, 25527, 213797, 405257, 641391, 1215771, 27152219, 81456657]

約数ペア:

[(1, 81456657), (3, 27152219), (67, 1215771), (127, 641391), (201, 405257), (381, 213797), (3191, 25527), (8509, 9573)]