268538517

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2909}}^1$

素因数の和:3194

約数の個数: 32

約数和(自身を含む): 430214400

約数和(自身を除く): 161675883

約数列:

[1, 3, 9, 13, 27, 39, 117, 263, 351, 789, 2367, 2909, 3419, 7101, 8727, 10257, 26181, 30771, 37817, 78543, 92313, 113451, 340353, 765067, 1021059, 2295201, 6885603, 9945871, 20656809, 29837613, 89512839, 268538517]

約数ペア:

[(1, 268538517), (3, 89512839), (9, 29837613), (13, 20656809), (27, 9945871), (39, 6885603), (117, 2295201), (263, 1021059), (351, 765067), (789, 340353), (2367, 113451), (2909, 92313), (3419, 78543), (7101, 37817), (8727, 30771), (10257, 26181)]