67799997

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{3967}}^1$

素因数の和:4190

約数の個数: 20

約数和(自身を含む): 101787136

約数和(自身を除く): 33987139

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 3967, 5697, 11901, 17091, 35703, 107109, 321327, 837037, 2511111, 7533333, 22599999, 67799997]

約数ペア:

[(1, 67799997), (3, 22599999), (9, 7533333), (27, 2511111), (81, 837037), (211, 321327), (633, 107109), (1899, 35703), (3967, 17091), (5697, 11901)]