80242893

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{7127}}^1$

素因数の和:7278

約数の個数: 20

約数和(自身を含む): 120748320

約数和(自身を除く): 40505427

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 7127, 11259, 21381, 64143, 192429, 577287, 990653, 2971959, 8915877, 26747631, 80242893]

約数ペア:

[(1, 80242893), (3, 26747631), (9, 8915877), (27, 2971959), (81, 990653), (139, 577287), (417, 192429), (1251, 64143), (3753, 21381), (7127, 11259)]