2997666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 7635264

約数和(自身を除く): 4637598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 643, 666, 777, 1286, 1554, 1929, 2331, 3858, 4501, 4662, 5787, 9002, 11574, 13503, 23791, 27006, 40509, 47582, 71373, 81018, 142746, 166537, 214119, 333074, 428238, 499611, 999222, 1498833, 2997666]

約数ペア:

[(1, 2997666), (2, 1498833), (3, 999222), (6, 499611), (7, 428238), (9, 333074), (14, 214119), (18, 166537), (21, 142746), (37, 81018), (42, 71373), (63, 47582), (74, 40509), (111, 27006), (126, 23791), (222, 13503), (259, 11574), (333, 9002), (518, 5787), (643, 4662), (666, 4501), (777, 3858), (1286, 2331), (1554, 1929)]