278246259

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{202067}}^1$

素因数の和:202096

約数の個数: 20

約数和(自身を含む): 440104104

約数和(自身を除く): 161857845

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 202067, 606201, 1818603, 3435139, 5455809, 10305417, 16367427, 30916251, 92748753, 278246259]

約数ペア:

[(1, 278246259), (3, 92748753), (9, 30916251), (17, 16367427), (27, 10305417), (51, 5455809), (81, 3435139), (153, 1818603), (459, 606201), (1377, 202067)]