55187307

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1721}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 91334880

約数和(自身を除く): 36147573

約数列:

[1, 3, 7, 9, 21, 63, 509, 1527, 1721, 3563, 4581, 5163, 10689, 12047, 15489, 32067, 36141, 108423, 875989, 2627967, 6131923, 7883901, 18395769, 55187307]

約数ペア:

[(1, 55187307), (3, 18395769), (7, 7883901), (9, 6131923), (21, 2627967), (63, 875989), (509, 108423), (1527, 36141), (1721, 32067), (3563, 15489), (4581, 12047), (5163, 10689)]