80447931

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{19997}}^1$

素因数の和:20155

約数の個数: 16

約数和(自身を含む): 119988000

約数和(自身を除く): 39540069

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 19997, 59991, 179973, 539919, 2979553, 8938659, 26815977, 80447931]

約数ペア:

[(1, 80447931), (3, 26815977), (9, 8938659), (27, 2979553), (149, 539919), (447, 179973), (1341, 59991), (4023, 19997)]