12757905

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 24517020

約数和(自身を除く): 11759115

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 109, 135, 153, 255, 289, 327, 405, 459, 545, 765, 867, 981, 1377, 1445, 1635, 1853, 2295, 2601, 2943, 4335, 4905, 5559, 6885, 7803, 8829, 9265, 13005, 14715, 16677, 23409, 27795, 31501, 39015, 44145, 50031, 83385, 94503, 117045, 150093, 157505, 250155, 283509, 472515, 750465, 850527, 1417545, 2551581, 4252635, 12757905]

約数ペア:

[(1, 12757905), (3, 4252635), (5, 2551581), (9, 1417545), (15, 850527), (17, 750465), (27, 472515), (45, 283509), (51, 250155), (81, 157505), (85, 150093), (109, 117045), (135, 94503), (153, 83385), (255, 50031), (289, 44145), (327, 39015), (405, 31501), (459, 27795), (545, 23409), (765, 16677), (867, 14715), (981, 13005), (1377, 9265), (1445, 8829), (1635, 7803), (1853, 6885), (2295, 5559), (2601, 4905), (2943, 4335)]