2011122921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{267401}}^1$

素因数の和:267536

約数の個数: 16

約数和(自身を含む): 2823765120

約数和(自身を除く): 812642199

約数列:

[1, 3, 23, 69, 109, 327, 2507, 7521, 267401, 802203, 6150223, 18450669, 29146709, 87440127, 670374307, 2011122921]

約数ペア:

[(1, 2011122921), (3, 670374307), (23, 87440127), (69, 29146709), (109, 18450669), (327, 6150223), (2507, 802203), (7521, 267401)]