51317847

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 89740800

約数和(自身を除く): 38422953

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 441, 491, 553, 711, 1323, 1473, 1659, 2133, 3437, 3871, 4419, 4977, 10311, 11613, 13257, 14931, 24059, 30933, 34839, 38789, 72177, 92799, 104517, 116367, 216531, 271523, 349101, 649593, 814569, 1047303, 1900661, 2443707, 5701983, 7331121, 17105949, 51317847]

約数ペア:

[(1, 51317847), (3, 17105949), (7, 7331121), (9, 5701983), (21, 2443707), (27, 1900661), (49, 1047303), (63, 814569), (79, 649593), (147, 349101), (189, 271523), (237, 216531), (441, 116367), (491, 104517), (553, 92799), (711, 72177), (1323, 38789), (1473, 34839), (1659, 30933), (2133, 24059), (3437, 14931), (3871, 13257), (4419, 11613), (4977, 10311)]