18674307

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 30098432

約数和(自身を除く): 11424125

約数列:

[1, 3, 9, 27, 31, 37, 67, 81, 93, 111, 201, 243, 279, 333, 603, 837, 999, 1147, 1809, 2077, 2479, 2511, 2997, 3441, 5427, 6231, 7437, 7533, 8991, 10323, 16281, 18693, 22311, 30969, 56079, 66933, 76849, 92907, 168237, 200799, 230547, 278721, 504711, 602397, 691641, 2074923, 6224769, 18674307]

約数ペア:

[(1, 18674307), (3, 6224769), (9, 2074923), (27, 691641), (31, 602397), (37, 504711), (67, 278721), (81, 230547), (93, 200799), (111, 168237), (201, 92907), (243, 76849), (279, 66933), (333, 56079), (603, 30969), (837, 22311), (999, 18693), (1147, 16281), (1809, 10323), (2077, 8991), (2479, 7533), (2511, 7437), (2997, 6231), (3441, 5427)]