9990666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2195

約数の個数: 48

約数和(自身を含む): 25419264

約数和(自身を除く): 15428598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2143, 2331, 4286, 4662, 6429, 12858, 15001, 19287, 30002, 38574, 45003, 79291, 90006, 135009, 158582, 237873, 270018, 475746, 555037, 713619, 1110074, 1427238, 1665111, 3330222, 4995333, 9990666]

約数ペア:

[(1, 9990666), (2, 4995333), (3, 3330222), (6, 1665111), (7, 1427238), (9, 1110074), (14, 713619), (18, 555037), (21, 475746), (37, 270018), (42, 237873), (63, 158582), (74, 135009), (111, 90006), (126, 79291), (222, 45003), (259, 38574), (333, 30002), (518, 19287), (666, 15001), (777, 12858), (1554, 6429), (2143, 4662), (2331, 4286)]