13987845

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1907}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 24407136

約数和(自身を除く): 10419291

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 1907, 2445, 5721, 7335, 9535, 17163, 28605, 85815, 310841, 932523, 1554205, 2797569, 4662615, 13987845]

約数ペア:

[(1, 13987845), (3, 4662615), (5, 2797569), (9, 1554205), (15, 932523), (45, 310841), (163, 85815), (489, 28605), (815, 17163), (1467, 9535), (1907, 7335), (2445, 5721)]