397383

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 614400

約数和(自身を除く): 217017

約数列:

[1, 3, 7, 21, 127, 149, 381, 447, 889, 1043, 2667, 3129, 18923, 56769, 132461, 397383]

約数ペア:

[(1, 397383), (3, 132461), (7, 56769), (21, 18923), (127, 3129), (149, 2667), (381, 1043), (447, 889)]