66939777

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{19219}}^1$

素因数の和:19274

約数の個数: 20

約数和(自身を含む): 102327280

約数和(自身を除く): 35387503

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 19219, 57657, 172971, 518913, 826417, 1556739, 2479251, 7437753, 22313259, 66939777]

約数ペア:

[(1, 66939777), (3, 22313259), (9, 7437753), (27, 2479251), (43, 1556739), (81, 826417), (129, 518913), (387, 172971), (1161, 57657), (3483, 19219)]