27243639

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 16864425

約数列:

[1, 3, 9, 17, 41, 43, 51, 101, 123, 129, 153, 303, 369, 387, 697, 731, 909, 1717, 1763, 2091, 2193, 4141, 4343, 5151, 5289, 6273, 6579, 12423, 13029, 15453, 15867, 29971, 37269, 39087, 70397, 73831, 89913, 178063, 211191, 221493, 269739, 534189, 633573, 664479, 1602567, 3027071, 9081213, 27243639]

約数ペア:

[(1, 27243639), (3, 9081213), (9, 3027071), (17, 1602567), (41, 664479), (43, 633573), (51, 534189), (101, 269739), (123, 221493), (129, 211191), (153, 178063), (303, 89913), (369, 73831), (387, 70397), (697, 39087), (731, 37269), (909, 29971), (1717, 15867), (1763, 15453), (2091, 13029), (2193, 12423), (4141, 6579), (4343, 6273), (5151, 5289)]