7678719

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{2017}}^1$

素因数の和:2076

約数の個数: 20

約数和(自身を含む): 11720544

約数和(自身を除く): 4041825

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 2017, 3807, 6051, 18153, 54459, 94799, 163377, 284397, 853191, 2559573, 7678719]

約数ペア:

[(1, 7678719), (3, 2559573), (9, 853191), (27, 284397), (47, 163377), (81, 94799), (141, 54459), (423, 18153), (1269, 6051), (2017, 3807)]