2671221

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 4105728

約数和(自身を除く): 1434507

約数列:

[1, 3, 7, 21, 131, 393, 917, 971, 2751, 2913, 6797, 20391, 127201, 381603, 890407, 2671221]

約数ペア:

[(1, 2671221), (3, 890407), (7, 381603), (21, 127201), (131, 20391), (393, 6797), (917, 2913), (971, 2751)]