1989420477

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1629337}}^1$

素因数の和:1629388

約数の個数: 16

約数和(自身を含む): 2971912512

約数和(自身を除く): 982492035

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 1629337, 4888011, 17922707, 53768121, 60285469, 180856407, 663140159, 1989420477]

約数ペア:

[(1, 1989420477), (3, 663140159), (11, 180856407), (33, 60285469), (37, 53768121), (111, 17922707), (407, 4888011), (1221, 1629337)]