2191893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 3219456

約数和(自身を除く): 1027563

約数列:

[1, 3, 11, 33, 127, 381, 523, 1397, 1569, 4191, 5753, 17259, 66421, 199263, 730631, 2191893]

約数ペア:

[(1, 2191893), (3, 730631), (11, 199263), (33, 66421), (127, 17259), (381, 5753), (523, 4191), (1397, 1569)]