207363891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17921}}^1$

素因数の和:17979

約数の個数: 32

約数和(自身を含む): 344102400

約数和(自身を除く): 136738509

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 11571, 17921, 53763, 125447, 340499, 376341, 519709, 1021497, 1559127, 2383493, 3637963, 7150479, 9874471, 10913889, 29623413, 69121297, 207363891]

約数ペア:

[(1, 207363891), (3, 69121297), (7, 29623413), (19, 10913889), (21, 9874471), (29, 7150479), (57, 3637963), (87, 2383493), (133, 1559127), (203, 1021497), (399, 519709), (551, 376341), (609, 340499), (1653, 125447), (3857, 53763), (11571, 17921)]