2215593

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1638

約数の個数: 20

約数和(自身を含む): 3506580

約数和(自身を除く): 1290987

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1609, 4827, 14481, 27353, 43443, 82059, 130329, 246177, 738531, 2215593]

約数ペア:

[(1, 2215593), (3, 738531), (9, 246177), (17, 130329), (27, 82059), (51, 43443), (81, 27353), (153, 14481), (459, 4827), (1377, 1609)]