209997126

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4441}}^1$

素因数の和:4557

約数の個数: 48

約数和(自身を含む): 473979168

約数和(自身を除く): 263982042

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 426, 639, 666, 1278, 2627, 4441, 5254, 7881, 8882, 13323, 15762, 23643, 26646, 39969, 47286, 79938, 164317, 315311, 328634, 492951, 630622, 945933, 985902, 1478853, 1891866, 2837799, 2957706, 5675598, 11666507, 23333014, 34999521, 69999042, 104998563, 209997126]

約数ペア:

[(1, 209997126), (2, 104998563), (3, 69999042), (6, 34999521), (9, 23333014), (18, 11666507), (37, 5675598), (71, 2957706), (74, 2837799), (111, 1891866), (142, 1478853), (213, 985902), (222, 945933), (333, 630622), (426, 492951), (639, 328634), (666, 315311), (1278, 164317), (2627, 79938), (4441, 47286), (5254, 39969), (7881, 26646), (8882, 23643), (13323, 15762)]