669627

素因数分解:

$3^4\times 7^1\times {\mathrm{1181}}^1$

素因数の和:1200

約数の個数: 20

約数和(自身を含む): 1144176

約数和(自身を除く): 474549

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1181, 3543, 8267, 10629, 24801, 31887, 74403, 95661, 223209, 669627]

約数ペア:

[(1, 669627), (3, 223209), (7, 95661), (9, 74403), (21, 31887), (27, 24801), (63, 10629), (81, 8267), (189, 3543), (567, 1181)]