271665121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 371589120

約数和(自身を除く): 99923999

約数列:

[1, 7, 13, 23, 31, 53, 79, 91, 161, 217, 299, 371, 403, 553, 689, 713, 1027, 1219, 1643, 1817, 2093, 2449, 2821, 4187, 4823, 4991, 7189, 8533, 9269, 11501, 12719, 15847, 17143, 21359, 23621, 29309, 31837, 37789, 54431, 56327, 64883, 96301, 110929, 129797, 149513, 165347, 222859, 264523, 381017, 394289, 491257, 674107, 732251, 908579, 1251913, 1687361, 2985331, 3438799, 5125757, 8763391, 11811527, 20897317, 38809303, 271665121]

約数ペア:

[(1, 271665121), (7, 38809303), (13, 20897317), (23, 11811527), (31, 8763391), (53, 5125757), (79, 3438799), (91, 2985331), (161, 1687361), (217, 1251913), (299, 908579), (371, 732251), (403, 674107), (553, 491257), (689, 394289), (713, 381017), (1027, 264523), (1219, 222859), (1643, 165347), (1817, 149513), (2093, 129797), (2449, 110929), (2821, 96301), (4187, 64883), (4823, 56327), (4991, 54431), (7189, 37789), (8533, 31837), (9269, 29309), (11501, 23621), (12719, 21359), (15847, 17143)]