66661137

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{19139}}^1$

素因数の和:19194

約数の個数: 20

約数和(自身を含む): 101901360

約数和(自身を除く): 35240223

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 19139, 57417, 172251, 516753, 822977, 1550259, 2468931, 7406793, 22220379, 66661137]

約数ペア:

[(1, 66661137), (3, 22220379), (9, 7406793), (27, 2468931), (43, 1550259), (81, 822977), (129, 516753), (387, 172251), (1161, 57417), (3483, 19139)]