219300561

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20773}}^1$

素因数の和:20822

約数の個数: 32

約数和(自身を含む): 358974720

約数和(自身を除く): 139674159

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519, 10557, 20773, 62319, 186957, 353141, 477779, 560871, 1059423, 1433337, 3178269, 4300011, 8122243, 9534807, 12900033, 24366729, 73100187, 219300561]

約数ペア:

[(1, 219300561), (3, 73100187), (9, 24366729), (17, 12900033), (23, 9534807), (27, 8122243), (51, 4300011), (69, 3178269), (153, 1433337), (207, 1059423), (391, 560871), (459, 477779), (621, 353141), (1173, 186957), (3519, 62319), (10557, 20773)]