13955121

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{21839}}^1$

素因数の和:21916

約数の個数: 12

約数和(自身を含む): 20442240

約数和(自身を除く): 6487119

約数列:

[1, 3, 9, 71, 213, 639, 21839, 65517, 196551, 1550569, 4651707, 13955121]

約数ペア:

[(1, 13955121), (3, 4651707), (9, 1550569), (71, 196551), (213, 65517), (639, 21839)]