18382113

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 10003167

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 223, 387, 639, 669, 1161, 1917, 2007, 3053, 6021, 9159, 9589, 15833, 27477, 28767, 47499, 82431, 86301, 142497, 258903, 427491, 680819, 2042457, 6127371, 18382113]

約数ペア:

[(1, 18382113), (3, 6127371), (9, 2042457), (27, 680819), (43, 427491), (71, 258903), (129, 142497), (213, 86301), (223, 82431), (387, 47499), (639, 28767), (669, 27477), (1161, 15833), (1917, 9589), (2007, 9159), (3053, 6021)]