201781349

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 267494400

約数和(自身を除く): 65713051

約数列:

[1, 7, 11, 19, 77, 107, 133, 209, 749, 1177, 1289, 1463, 2033, 8239, 9023, 14179, 14231, 22363, 24491, 99253, 137923, 156541, 171437, 269401, 965461, 1517153, 1885807, 2620537, 10620071, 18343759, 28825907, 201781349]

約数ペア:

[(1, 201781349), (7, 28825907), (11, 18343759), (19, 10620071), (77, 2620537), (107, 1885807), (133, 1517153), (209, 965461), (749, 269401), (1177, 171437), (1289, 156541), (1463, 137923), (2033, 99253), (8239, 24491), (9023, 22363), (14179, 14231)]