245846507913

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{178537769}}^1$

素因数の和:178537798

約数の個数: 20

約数和(自身を含む): 388855263060

約数和(自身を除く): 143008755147

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 178537769, 535613307, 1606839921, 3035142073, 4820519763, 9105426219, 14461559289, 27316278657, 81948835971, 245846507913]

約数ペア:

[(1, 245846507913), (3, 81948835971), (9, 27316278657), (17, 14461559289), (27, 9105426219), (51, 4820519763), (81, 3035142073), (153, 1606839921), (459, 535613307), (1377, 178537769)]