771381

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 1266720

約数和(自身を除く): 495339

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 347, 741, 1041, 2223, 3123, 4511, 6593, 13533, 19779, 40599, 59337, 85709, 257127, 771381]

約数ペア:

[(1, 771381), (3, 257127), (9, 85709), (13, 59337), (19, 40599), (39, 19779), (57, 13533), (117, 6593), (171, 4511), (247, 3123), (347, 2223), (741, 1041)]