67668291

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43969}}^1$

素因数の和:44000

約数の個数: 20

約数和(自身を含む): 106407400

約数和(自身を除く): 38739109

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 43969, 131907, 395721, 835411, 1187163, 2506233, 3561489, 7518699, 22556097, 67668291]

約数ペア:

[(1, 67668291), (3, 22556097), (9, 7518699), (19, 3561489), (27, 2506233), (57, 1187163), (81, 835411), (171, 395721), (513, 131907), (1539, 43969)]