210008267

素因数分解:

$7^4\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1936

約数の個数: 20

約数和(自身を含む): 250342176

約数和(自身を除く): 40333909

約数列:

[1, 7, 47, 49, 329, 343, 1861, 2303, 2401, 13027, 16121, 87467, 91189, 112847, 612269, 638323, 4285883, 4468261, 30001181, 210008267]

約数ペア:

[(1, 210008267), (7, 30001181), (47, 4468261), (49, 4285883), (329, 638323), (343, 612269), (1861, 112847), (2303, 91189), (2401, 87467), (13027, 16121)]