1287807

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 16

約数和(自身を含む): 1795200

約数和(自身を除く): 507393

約数列:

[1, 3, 43, 67, 129, 149, 201, 447, 2881, 6407, 8643, 9983, 19221, 29949, 429269, 1287807]

約数ペア:

[(1, 1287807), (3, 429269), (43, 29949), (67, 19221), (129, 9983), (149, 8643), (201, 6407), (447, 2881)]