2787777

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:410

約数の個数: 20

約数和(自身を含む): 4212736

約数和(自身を除く): 1424959

約数列:

[1, 3, 9, 27, 81, 127, 271, 381, 813, 1143, 2439, 3429, 7317, 10287, 21951, 34417, 103251, 309753, 929259, 2787777]

約数ペア:

[(1, 2787777), (3, 929259), (9, 309753), (27, 103251), (81, 34417), (127, 21951), (271, 10287), (381, 7317), (813, 3429), (1143, 2439)]