2000805921

素因数分解:

$3^3\times {\mathrm{227}}^1\times {\mathrm{326449}}^1$

素因数の和:326685

約数の個数: 16

約数和(自身を含む): 2977224000

約数和(自身を除く): 976418079

約数列:

[1, 3, 9, 27, 227, 681, 2043, 6129, 326449, 979347, 2938041, 8814123, 74103923, 222311769, 666935307, 2000805921]

約数ペア:

[(1, 2000805921), (3, 666935307), (9, 222311769), (27, 74103923), (227, 8814123), (681, 2938041), (2043, 979347), (6129, 326449)]