51217947

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 83185920

約数和(自身を除く): 31967973

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 331, 521, 993, 1563, 2979, 3641, 4689, 5731, 8937, 10923, 14067, 17193, 32769, 51579, 98307, 154737, 172451, 517353, 1552059, 1896961, 4656177, 5690883, 17072649, 51217947]

約数ペア:

[(1, 51217947), (3, 17072649), (9, 5690883), (11, 4656177), (27, 1896961), (33, 1552059), (99, 517353), (297, 172451), (331, 154737), (521, 98307), (993, 51579), (1563, 32769), (2979, 17193), (3641, 14067), (4689, 10923), (5731, 8937)]