13208745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 24579648

約数和(自身を除く): 11370903

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 277, 289, 561, 831, 867, 935, 1385, 1445, 2805, 3047, 3179, 4155, 4335, 4709, 9141, 9537, 14127, 15235, 15895, 23545, 45705, 47685, 51799, 70635, 80053, 155397, 240159, 258995, 400265, 776985, 880583, 1200795, 2641749, 4402915, 13208745]

約数ペア:

[(1, 13208745), (3, 4402915), (5, 2641749), (11, 1200795), (15, 880583), (17, 776985), (33, 400265), (51, 258995), (55, 240159), (85, 155397), (165, 80053), (187, 70635), (255, 51799), (277, 47685), (289, 45705), (561, 23545), (831, 15895), (867, 15235), (935, 14127), (1385, 9537), (1445, 9141), (2805, 4709), (3047, 4335), (3179, 4155)]