81468987

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{1987}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 110691840

約数和(自身を除く): 29222853

約数列:

[1, 3, 79, 173, 237, 519, 1987, 5961, 13667, 41001, 156973, 343751, 470919, 1031253, 27156329, 81468987]

約数ペア:

[(1, 81468987), (3, 27156329), (79, 1031253), (173, 470919), (237, 343751), (519, 156973), (1987, 41001), (5961, 13667)]