281378041

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 342766080

約数和(自身を除く): 61388039

約数列:

[1, 7, 31, 49, 71, 217, 497, 1519, 2201, 2609, 3479, 15407, 18263, 80879, 107849, 127841, 185239, 566153, 1296673, 3963071, 5742409, 9076711, 40196863, 281378041]

約数ペア:

[(1, 281378041), (7, 40196863), (31, 9076711), (49, 5742409), (71, 3963071), (217, 1296673), (497, 566153), (1519, 185239), (2201, 127841), (2609, 107849), (3479, 80879), (15407, 18263)]