12768381

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 20448000

約数和(自身を除く): 7679619

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 709, 783, 2001, 2127, 6003, 6381, 16307, 18009, 19143, 20561, 48921, 61683, 146763, 185049, 440289, 472903, 555147, 1418709, 4256127, 12768381]

約数ペア:

[(1, 12768381), (3, 4256127), (9, 1418709), (23, 555147), (27, 472903), (29, 440289), (69, 185049), (87, 146763), (207, 61683), (261, 48921), (621, 20561), (667, 19143), (709, 18009), (783, 16307), (2001, 6381), (2127, 6003)]