31024269

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 18016371

約数列:

[1, 3, 9, 17, 27, 51, 153, 257, 263, 459, 771, 789, 2313, 2367, 4369, 4471, 6939, 7101, 13107, 13413, 39321, 40239, 67591, 117963, 120717, 202773, 608319, 1149047, 1824957, 3447141, 10341423, 31024269]

約数ペア:

[(1, 31024269), (3, 10341423), (9, 3447141), (17, 1824957), (27, 1149047), (51, 608319), (153, 202773), (257, 120717), (263, 117963), (459, 67591), (771, 40239), (789, 39321), (2313, 13413), (2367, 13107), (4369, 7101), (4471, 6939)]