27487929

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 45570816

約数和(自身を除く): 18082887

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 2081, 4403, 6243, 13209, 14567, 35377, 43701, 76997, 106131, 230991, 247639, 538979, 742917, 1308949, 1616937, 3926847, 9162643, 27487929]

約数ペア:

[(1, 27487929), (3, 9162643), (7, 3926847), (17, 1616937), (21, 1308949), (37, 742917), (51, 538979), (111, 247639), (119, 230991), (259, 106131), (357, 76997), (629, 43701), (777, 35377), (1887, 14567), (2081, 13209), (4403, 6243)]