27558153

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 47354112

約数和(自身を除く): 19795959

約数列:

[1, 3, 7, 9, 21, 61, 63, 71, 101, 183, 213, 303, 427, 497, 549, 639, 707, 909, 1281, 1491, 2121, 3843, 4331, 4473, 6161, 6363, 7171, 12993, 18483, 21513, 30317, 38979, 43127, 50197, 55449, 64539, 90951, 129381, 150591, 272853, 388143, 437431, 451773, 1312293, 3062017, 3936879, 9186051, 27558153]

約数ペア:

[(1, 27558153), (3, 9186051), (7, 3936879), (9, 3062017), (21, 1312293), (61, 451773), (63, 437431), (71, 388143), (101, 272853), (183, 150591), (213, 129381), (303, 90951), (427, 64539), (497, 55449), (549, 50197), (639, 43127), (707, 38979), (909, 30317), (1281, 21513), (1491, 18483), (2121, 12993), (3843, 7171), (4331, 6363), (4473, 6161)]