16824321

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{21487}}^1$

素因数の和:21525

約数の個数: 16

約数和(自身を含む): 25785600

約数和(自身を除く): 8961279

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 21487, 64461, 193383, 580149, 623123, 1869369, 5608107, 16824321]

約数ペア:

[(1, 16824321), (3, 5608107), (9, 1869369), (27, 623123), (29, 580149), (87, 193383), (261, 64461), (783, 21487)]