208508727

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2113}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 329039872

約数和(自身を除く): 120531145

約数列:

[1, 3, 7, 21, 37, 111, 127, 259, 381, 777, 889, 2113, 2667, 4699, 6339, 14097, 14791, 32893, 44373, 78181, 98679, 234543, 268351, 547267, 805053, 1641801, 1878457, 5635371, 9928987, 29786961, 69502909, 208508727]

約数ペア:

[(1, 208508727), (3, 69502909), (7, 29786961), (21, 9928987), (37, 5635371), (111, 1878457), (127, 1641801), (259, 805053), (381, 547267), (777, 268351), (889, 234543), (2113, 98679), (2667, 78181), (4699, 44373), (6339, 32893), (14097, 14791)]