27782559

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:956

約数の個数: 36

約数和(自身を含む): 47376576

約数和(自身を除く): 19594017

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 657, 863, 1533, 2589, 3577, 4599, 6041, 7767, 10731, 18123, 32193, 42287, 54369, 62999, 126861, 188997, 380583, 440993, 566991, 1322979, 3086951, 3968937, 9260853, 27782559]

約数ペア:

[(1, 27782559), (3, 9260853), (7, 3968937), (9, 3086951), (21, 1322979), (49, 566991), (63, 440993), (73, 380583), (147, 188997), (219, 126861), (441, 62999), (511, 54369), (657, 42287), (863, 32193), (1533, 18123), (2589, 10731), (3577, 7767), (4599, 6041)]