19940337

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1644

約数の個数: 28

約数和(自身を含む): 31675140

約数和(自身を除く): 11734803

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1609, 4131, 4827, 12393, 14481, 27353, 43443, 82059, 130329, 246177, 390987, 738531, 1172961, 2215593, 6646779, 19940337]

約数ペア:

[(1, 19940337), (3, 6646779), (9, 2215593), (17, 1172961), (27, 738531), (51, 390987), (81, 246177), (153, 130329), (243, 82059), (459, 43443), (729, 27353), (1377, 14481), (1609, 12393), (4131, 4827)]