80000991

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{21523}}^1$

素因数の和:21595

約数の個数: 24

約数和(自身を含む): 134309760

約数和(自身を除く): 54308769

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 21523, 64569, 150661, 193707, 451983, 1269857, 1355949, 3809571, 8888999, 11428713, 26666997, 80000991]

約数ペア:

[(1, 80000991), (3, 26666997), (7, 11428713), (9, 8888999), (21, 3809571), (59, 1355949), (63, 1269857), (177, 451983), (413, 193707), (531, 150661), (1239, 64569), (3717, 21523)]