1278243921

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{280871}}^1$

素因数の和:280952

約数の個数: 16

約数和(自身を含む): 1793086848

約数和(自身を除く): 514842927

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4551, 280871, 842613, 10392227, 11515711, 31176681, 34547133, 426081307, 1278243921]

約数ペア:

[(1, 1278243921), (3, 426081307), (37, 34547133), (41, 31176681), (111, 11515711), (123, 10392227), (1517, 842613), (4551, 280871)]