80788347

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{21221}}^1$

素因数の和:21280

約数の個数: 20

約数和(自身を含む): 123257376

約数和(自身を除く): 42469029

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 21221, 63663, 190989, 572967, 997387, 1718901, 2992161, 8976483, 26929449, 80788347]

約数ペア:

[(1, 80788347), (3, 26929449), (9, 8976483), (27, 2992161), (47, 1718901), (81, 997387), (141, 572967), (423, 190989), (1269, 63663), (3807, 21221)]