261111609

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 426666240

約数和(自身を除く): 165554631

約数列:

[1, 3, 9, 11, 33, 43, 83, 99, 129, 249, 387, 473, 739, 747, 913, 1419, 2217, 2739, 3569, 4257, 6651, 8129, 8217, 10707, 24387, 31777, 32121, 39259, 61337, 73161, 95331, 117777, 184011, 285993, 349547, 353331, 552033, 674707, 1048641, 2024121, 2637491, 3145923, 6072363, 7912473, 23737419, 29012401, 87037203, 261111609]

約数ペア:

[(1, 261111609), (3, 87037203), (9, 29012401), (11, 23737419), (33, 7912473), (43, 6072363), (83, 3145923), (99, 2637491), (129, 2024121), (249, 1048641), (387, 674707), (473, 552033), (739, 353331), (747, 349547), (913, 285993), (1419, 184011), (2217, 117777), (2739, 95331), (3569, 73161), (4257, 61337), (6651, 39259), (8129, 32121), (8217, 31777), (10707, 24387)]