81285207

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 109903872

約数和(自身を除く): 28618665

約数列:

[1, 3, 127, 191, 381, 573, 1117, 3351, 24257, 72771, 141859, 213347, 425577, 640041, 27095069, 81285207]

約数ペア:

[(1, 81285207), (3, 27095069), (127, 640041), (191, 425577), (381, 213347), (573, 141859), (1117, 72771), (3351, 24257)]