211687839

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{49727}}^1$

素因数の和:49787

約数の個数: 24

約数和(自身を含む): 341332992

約数和(自身を除く): 129645153

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 49727, 149181, 447543, 546997, 1640991, 2138261, 4922973, 6414783, 19244349, 23520871, 70562613, 211687839]

約数ペア:

[(1, 211687839), (3, 70562613), (9, 23520871), (11, 19244349), (33, 6414783), (43, 4922973), (99, 2138261), (129, 1640991), (387, 546997), (473, 447543), (1419, 149181), (4257, 49727)]