891423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 1463280

約数和(自身を除く): 571857

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 401, 741, 1203, 2223, 3609, 5213, 7619, 15639, 22857, 46917, 68571, 99047, 297141, 891423]

約数ペア:

[(1, 891423), (3, 297141), (9, 99047), (13, 68571), (19, 46917), (39, 22857), (57, 15639), (117, 7619), (171, 5213), (247, 3609), (401, 2223), (741, 1203)]