287127141

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{9013}}^1$

素因数の和:9101

約数の個数: 32

約数和(自身を含む): 460363008

約数和(自身を除く): 173235867

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 4551, 9013, 10619, 27039, 31857, 63091, 189273, 333481, 369533, 1000443, 1108599, 2334367, 2586731, 7003101, 7760193, 13672721, 41018163, 95709047, 287127141]

約数ペア:

[(1, 287127141), (3, 95709047), (7, 41018163), (21, 13672721), (37, 7760193), (41, 7003101), (111, 2586731), (123, 2334367), (259, 1108599), (287, 1000443), (777, 369533), (861, 333481), (1517, 189273), (4551, 63091), (9013, 31857), (10619, 27039)]