28686063

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36919}}^1$

素因数の和:36966

約数の個数: 16

約数和(自身を含む): 44894720

約数和(自身を除く): 16208657

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36919, 110757, 258433, 775299, 1366003, 4098009, 9562021, 28686063]

約数ペア:

[(1, 28686063), (3, 9562021), (7, 4098009), (21, 1366003), (37, 775299), (111, 258433), (259, 110757), (777, 36919)]