197982789

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 276317184

約数和(自身を除く): 78334395

約数列:

[1, 3, 67, 73, 103, 131, 201, 219, 309, 393, 4891, 6901, 7519, 8777, 9563, 13493, 14673, 20703, 22557, 26331, 28689, 40479, 503773, 640721, 904031, 984989, 1511319, 1922163, 2712093, 2954967, 65994263, 197982789]

約数ペア:

[(1, 197982789), (3, 65994263), (67, 2954967), (73, 2712093), (103, 1922163), (131, 1511319), (201, 984989), (219, 904031), (309, 640721), (393, 503773), (4891, 40479), (6901, 28689), (7519, 26331), (8777, 22557), (9563, 20703), (13493, 14673)]