278370891

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 419926080

約数和(自身を除く): 141555189

約数列:

[1, 3, 9, 27, 97, 157, 291, 471, 677, 873, 1413, 2031, 2619, 4239, 6093, 15229, 18279, 45687, 65669, 106289, 137061, 197007, 318867, 411183, 591021, 956601, 1773063, 2869803, 10310033, 30930099, 92790297, 278370891]

約数ペア:

[(1, 278370891), (3, 92790297), (9, 30930099), (27, 10310033), (97, 2869803), (157, 1773063), (291, 956601), (471, 591021), (677, 411183), (873, 318867), (1413, 197007), (2031, 137061), (2619, 106289), (4239, 65669), (6093, 45687), (15229, 18279)]