2143206

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 5322240

約数和(自身を除く): 3179034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 71, 78, 86, 117, 129, 142, 213, 234, 258, 351, 387, 426, 559, 639, 702, 774, 923, 1118, 1161, 1278, 1677, 1846, 1917, 2322, 2769, 3053, 3354, 3834, 5031, 5538, 6106, 8307, 9159, 10062, 15093, 16614, 18318, 24921, 27477, 30186, 39689, 49842, 54954, 79378, 82431, 119067, 164862, 238134, 357201, 714402, 1071603, 2143206]

約数ペア:

[(1, 2143206), (2, 1071603), (3, 714402), (6, 357201), (9, 238134), (13, 164862), (18, 119067), (26, 82431), (27, 79378), (39, 54954), (43, 49842), (54, 39689), (71, 30186), (78, 27477), (86, 24921), (117, 18318), (129, 16614), (142, 15093), (213, 10062), (234, 9159), (258, 8307), (351, 6106), (387, 5538), (426, 5031), (559, 3834), (639, 3354), (702, 3053), (774, 2769), (923, 2322), (1118, 1917), (1161, 1846), (1278, 1677)]