78784209

素因数分解:

$3^2\times 7^2\times {\mathrm{227}}^1\times {\mathrm{787}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 133131024

約数和(自身を除く): 54346815

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 227, 441, 681, 787, 1589, 2043, 2361, 4767, 5509, 7083, 11123, 14301, 16527, 33369, 38563, 49581, 100107, 115689, 178649, 347067, 535947, 1250543, 1607841, 3751629, 8753801, 11254887, 26261403, 78784209]

約数ペア:

[(1, 78784209), (3, 26261403), (7, 11254887), (9, 8753801), (21, 3751629), (49, 1607841), (63, 1250543), (147, 535947), (227, 347067), (441, 178649), (681, 115689), (787, 100107), (1589, 49581), (2043, 38563), (2361, 33369), (4767, 16527), (5509, 14301), (7083, 11123)]