12807291

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 20487168

約数和(自身を除く): 7679877

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 311, 371, 777, 933, 1113, 1961, 2177, 5883, 6531, 11507, 13727, 16483, 34521, 41181, 49449, 80549, 115381, 241647, 346143, 609871, 1829613, 4269097, 12807291]

約数ペア:

[(1, 12807291), (3, 4269097), (7, 1829613), (21, 609871), (37, 346143), (53, 241647), (111, 115381), (159, 80549), (259, 49449), (311, 41181), (371, 34521), (777, 16483), (933, 13727), (1113, 11507), (1961, 6531), (2177, 5883)]