81330205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47701}}^1$

素因数の和:47748

約数の個数: 16

約数和(自身を含む): 109905408

約数和(自身を除く): 28575203

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 47701, 238505, 524711, 1478731, 2623555, 7393655, 16266041, 81330205]

約数ペア:

[(1, 81330205), (5, 16266041), (11, 7393655), (31, 2623555), (55, 1478731), (155, 524711), (341, 238505), (1705, 47701)]