42147441

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4813}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 70091840

約数和(自身を除く): 27944399

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 4813, 8757, 14439, 33691, 43317, 101073, 303219, 669007, 2007021, 4683049, 6021063, 14049147, 42147441]

約数ペア:

[(1, 42147441), (3, 14049147), (7, 6021063), (9, 4683049), (21, 2007021), (63, 669007), (139, 303219), (417, 101073), (973, 43317), (1251, 33691), (2919, 14439), (4813, 8757)]