338889681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 559016640

約数和(自身を除く): 220126959

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 157, 171, 247, 471, 741, 971, 1413, 2041, 2223, 2913, 2983, 6123, 8739, 8949, 12623, 18369, 18449, 26847, 37869, 38779, 55347, 113607, 116337, 152447, 166041, 239837, 349011, 457341, 719511, 1372023, 1981811, 2158533, 2896493, 5945433, 8689479, 17836299, 26068437, 37654409, 112963227, 338889681]

約数ペア:

[(1, 338889681), (3, 112963227), (9, 37654409), (13, 26068437), (19, 17836299), (39, 8689479), (57, 5945433), (117, 2896493), (157, 2158533), (171, 1981811), (247, 1372023), (471, 719511), (741, 457341), (971, 349011), (1413, 239837), (2041, 166041), (2223, 152447), (2913, 116337), (2983, 113607), (6123, 55347), (8739, 38779), (8949, 37869), (12623, 26847), (18369, 18449)]