2016261

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 3305120

約数和(自身を除く): 1288859

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 907, 2223, 2721, 8163, 11791, 17233, 35373, 51699, 106119, 155097, 224029, 672087, 2016261]

約数ペア:

[(1, 2016261), (3, 672087), (9, 224029), (13, 155097), (19, 106119), (39, 51699), (57, 35373), (117, 17233), (171, 11791), (247, 8163), (741, 2721), (907, 2223)]