2021517

素因数分解:

$3^6\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 28

約数和(自身を含む): 3147840

約数和(自身を除く): 1126323

約数列:

[1, 3, 9, 27, 47, 59, 81, 141, 177, 243, 423, 531, 729, 1269, 1593, 2773, 3807, 4779, 8319, 11421, 14337, 24957, 34263, 43011, 74871, 224613, 673839, 2021517]

約数ペア:

[(1, 2021517), (3, 673839), (9, 224613), (27, 74871), (47, 43011), (59, 34263), (81, 24957), (141, 14337), (177, 11421), (243, 8319), (423, 4779), (531, 3807), (729, 2773), (1269, 1593)]