179947089

素因数分解:

$3^6\times 7^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:401

約数の個数: 56

約数和(自身を含む): 311636160

約数和(自身を除く): 131689071

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 197, 243, 537, 567, 591, 729, 1253, 1379, 1611, 1701, 1773, 3759, 4137, 4833, 5103, 5319, 11277, 12411, 14499, 15957, 33831, 35263, 37233, 43497, 47871, 101493, 105789, 111699, 130491, 143613, 246841, 304479, 317367, 335097, 740523, 913437, 952101, 1005291, 2221569, 2856303, 6664707, 8568909, 19994121, 25706727, 59982363, 179947089]

約数ペア:

[(1, 179947089), (3, 59982363), (7, 25706727), (9, 19994121), (21, 8568909), (27, 6664707), (63, 2856303), (81, 2221569), (179, 1005291), (189, 952101), (197, 913437), (243, 740523), (537, 335097), (567, 317367), (591, 304479), (729, 246841), (1253, 143613), (1379, 130491), (1611, 111699), (1701, 105789), (1773, 101493), (3759, 47871), (4137, 43497), (4833, 37233), (5103, 35263), (5319, 33831), (11277, 15957), (12411, 14499)]