2138481

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1582

約数の個数: 20

約数和(自身を含む): 3384612

約数和(自身を除く): 1246131

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1553, 4659, 13977, 26401, 41931, 79203, 125793, 237609, 712827, 2138481]

約数ペア:

[(1, 2138481), (3, 712827), (9, 237609), (17, 125793), (27, 79203), (51, 41931), (81, 26401), (153, 13977), (459, 4659), (1377, 1553)]