80847801

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19571}}^1$

素因数の和:19603

約数の個数: 24

約数和(自身を含む): 128235744

約数和(自身を除く): 47387943

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 19571, 58713, 176139, 332707, 528417, 998121, 1585251, 2994363, 4755753, 8983089, 26949267, 80847801]

約数ペア:

[(1, 80847801), (3, 26949267), (9, 8983089), (17, 4755753), (27, 2994363), (51, 1585251), (81, 998121), (153, 528417), (243, 332707), (459, 176139), (1377, 58713), (4131, 19571)]