207968661

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7649}}^1$

素因数の和:7730

約数の個数: 32

約数和(自身を含む): 330480000

約数和(自身を除く): 122511339

約数列:

[1, 3, 9, 19, 27, 53, 57, 159, 171, 477, 513, 1007, 1431, 3021, 7649, 9063, 22947, 27189, 68841, 145331, 206523, 405397, 435993, 1216191, 1307979, 3648573, 3923937, 7702543, 10945719, 23107629, 69322887, 207968661]

約数ペア:

[(1, 207968661), (3, 69322887), (9, 23107629), (19, 10945719), (27, 7702543), (53, 3923937), (57, 3648573), (159, 1307979), (171, 1216191), (477, 435993), (513, 405397), (1007, 206523), (1431, 145331), (3021, 68841), (7649, 27189), (9063, 22947)]