16680771

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 25272000

約数和(自身を除く): 8591229

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 809, 2291, 2427, 6873, 7281, 20619, 23461, 63911, 70383, 191733, 211149, 575199, 1853419, 5560257, 16680771]

約数ペア:

[(1, 16680771), (3, 5560257), (9, 1853419), (29, 575199), (79, 211149), (87, 191733), (237, 70383), (261, 63911), (711, 23461), (809, 20619), (2291, 7281), (2427, 6873)]