1278194656389

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1295030047}}^1$

素因数の和:1295030104

約数の個数: 16

約数和(自身を含む): 1989166153728

約数和(自身を除く): 710971497339

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 1295030047, 3885090141, 9065210329, 27195630987, 60866412209, 182599236627, 426064885463, 1278194656389]

約数ペア:

[(1, 1278194656389), (3, 426064885463), (7, 182599236627), (21, 60866412209), (47, 27195630987), (141, 9065210329), (329, 3885090141), (987, 1295030047)]