28975509

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1669}}^1$

素因数の和:2321

約数の個数: 16

約数和(自身を含む): 43019200

約数和(自身を除く): 14043691

約数列:

[1, 3, 9, 27, 643, 1669, 1929, 5007, 5787, 15021, 17361, 45063, 1073167, 3219501, 9658503, 28975509]

約数ペア:

[(1, 28975509), (3, 9658503), (9, 3219501), (27, 1073167), (643, 45063), (1669, 17361), (1929, 15021), (5007, 5787)]