6637221

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1302

約数の個数: 20

約数和(自身を含む): 10071072

約数和(自身を除く): 3433851

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1223, 1809, 3669, 5427, 11007, 33021, 81941, 99063, 245823, 737469, 2212407, 6637221]

約数ペア:

[(1, 6637221), (3, 2212407), (9, 737469), (27, 245823), (67, 99063), (81, 81941), (201, 33021), (603, 11007), (1223, 5427), (1809, 3669)]