201653155

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 269247168

約数和(自身を除く): 67594013

約数列:

[1, 5, 11, 55, 121, 157, 193, 605, 785, 965, 1331, 1727, 2123, 6655, 8635, 10615, 18997, 23353, 30301, 94985, 116765, 151505, 208967, 256883, 333311, 1044835, 1284415, 1666555, 3666421, 18332105, 40330631, 201653155]

約数ペア:

[(1, 201653155), (5, 40330631), (11, 18332105), (55, 3666421), (121, 1666555), (157, 1284415), (193, 1044835), (605, 333311), (785, 256883), (965, 208967), (1331, 151505), (1727, 116765), (2123, 94985), (6655, 30301), (8635, 23353), (10615, 18997)]