138821277

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5897}}^1$

素因数の和:5985

約数の個数: 32

約数和(自身を含む): 226483200

約数和(自身を除く): 87661923

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1239, 3363, 5897, 7847, 17691, 23541, 41279, 112043, 123837, 336129, 347923, 784301, 1043769, 2352903, 2435461, 6610537, 7306383, 19831611, 46273759, 138821277]

約数ペア:

[(1, 138821277), (3, 46273759), (7, 19831611), (19, 7306383), (21, 6610537), (57, 2435461), (59, 2352903), (133, 1043769), (177, 784301), (399, 347923), (413, 336129), (1121, 123837), (1239, 112043), (3363, 41279), (5897, 23541), (7847, 17691)]