66764817

素因数分解:

$3^4\times 7^1\times {\mathrm{117751}}^1$

素因数の和:117770

約数の個数: 20

約数和(自身を含む): 113983936

約数和(自身を除く): 47219119

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 117751, 353253, 824257, 1059759, 2472771, 3179277, 7418313, 9537831, 22254939, 66764817]

約数ペア:

[(1, 66764817), (3, 22254939), (7, 9537831), (9, 7418313), (21, 3179277), (27, 2472771), (63, 1059759), (81, 824257), (189, 353253), (567, 117751)]