287796213

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1277}}^1$

素因数の和:1794

約数の個数: 32

約数和(自身を含む): 452718720

約数和(自身を除く): 164922507

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 491, 1277, 1473, 3831, 4419, 8347, 11493, 13257, 21709, 25041, 34479, 65127, 75123, 195381, 225369, 586143, 627007, 1881021, 5643063, 10659119, 16929189, 31977357, 95932071, 287796213]

約数ペア:

[(1, 287796213), (3, 95932071), (9, 31977357), (17, 16929189), (27, 10659119), (51, 5643063), (153, 1881021), (459, 627007), (491, 586143), (1277, 225369), (1473, 195381), (3831, 75123), (4419, 65127), (8347, 34479), (11493, 25041), (13257, 21709)]