201421787

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{40357}}^1$

素因数の和:40418

約数の個数: 16

約数和(自身を含む): 247959552

約数和(自身を除く): 46537765

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 40357, 282499, 928211, 1251067, 6497477, 8757469, 28774541, 201421787]

約数ペア:

[(1, 201421787), (7, 28774541), (23, 8757469), (31, 6497477), (161, 1251067), (217, 928211), (713, 282499), (4991, 40357)]