64718109

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{8237}}^1$

素因数の和:8346

約数の個数: 20

約数和(自身を含む): 97686204

約数和(自身を除く): 32968095

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 7857, 8237, 24711, 74133, 222399, 667197, 798989, 2396967, 7190901, 21572703, 64718109]

約数ペア:

[(1, 64718109), (3, 21572703), (9, 7190901), (27, 2396967), (81, 798989), (97, 667197), (291, 222399), (873, 74133), (2619, 24711), (7857, 8237)]