51205851

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{21799}}^1$

素因数の和:21840

約数の個数: 20

約数和(自身を含む): 79134000

約数和(自身を除く): 27928149

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 21799, 65397, 196191, 588573, 632171, 1765719, 1896513, 5689539, 17068617, 51205851]

約数ペア:

[(1, 51205851), (3, 17068617), (9, 5689539), (27, 1896513), (29, 1765719), (81, 632171), (87, 588573), (261, 196191), (783, 65397), (2349, 21799)]