8638227

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 14702688

約数和(自身を除く): 6064461

約数列:

[1, 3, 9, 13, 17, 39, 43, 51, 101, 117, 129, 153, 221, 303, 387, 559, 663, 731, 909, 1313, 1677, 1717, 1989, 2193, 3939, 4343, 5031, 5151, 6579, 9503, 11817, 13029, 15453, 22321, 28509, 39087, 56459, 66963, 73831, 85527, 169377, 200889, 221493, 508131, 664479, 959803, 2879409, 8638227]

約数ペア:

[(1, 8638227), (3, 2879409), (9, 959803), (13, 664479), (17, 508131), (39, 221493), (43, 200889), (51, 169377), (101, 85527), (117, 73831), (129, 66963), (153, 56459), (221, 39087), (303, 28509), (387, 22321), (559, 15453), (663, 13029), (731, 11817), (909, 9503), (1313, 6579), (1677, 5151), (1717, 5031), (1989, 4343), (2193, 3939)]