201391287

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{20117}}^1$

素因数の和:20238

約数の個数: 16

約数和(自身を含む): 278111232

約数和(自身を除く): 76719945

約数列:

[1, 3, 47, 71, 141, 213, 3337, 10011, 20117, 60351, 945499, 1428307, 2836497, 4284921, 67130429, 201391287]

約数ペア:

[(1, 201391287), (3, 67130429), (47, 4284921), (71, 2836497), (141, 1428307), (213, 945499), (3337, 60351), (10011, 20117)]