78192009

素因数分解:

$3^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{2269}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 129371840

約数和(自身を除く): 51179831

約数列:

[1, 3, 7, 9, 21, 63, 547, 1641, 2269, 3829, 4923, 6807, 11487, 15883, 20421, 34461, 47649, 142947, 1241143, 3723429, 8688001, 11170287, 26064003, 78192009]

約数ペア:

[(1, 78192009), (3, 26064003), (7, 11170287), (9, 8688001), (21, 3723429), (63, 1241143), (547, 142947), (1641, 47649), (2269, 34461), (3829, 20421), (4923, 15883), (6807, 11487)]