81885141

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13723}}^1$

素因数の和:13762

約数の個数: 32

約数和(自身を含む): 138337920

約数和(自身を除く): 56452779

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 13723, 41169, 123507, 178399, 233291, 370521, 535197, 699873, 1605591, 2099619, 3032783, 4816773, 6298857, 9098349, 27295047, 81885141]

約数ペア:

[(1, 81885141), (3, 27295047), (9, 9098349), (13, 6298857), (17, 4816773), (27, 3032783), (39, 2099619), (51, 1605591), (117, 699873), (153, 535197), (221, 370521), (351, 233291), (459, 178399), (663, 123507), (1989, 41169), (5967, 13723)]