51639441

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{11027}}^1$

素因数の和:11260

約数の個数: 16

約数和(自身を含む): 79048704

約数和(自身を除く): 27409263

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 11027, 33081, 77189, 231567, 2459021, 7377063, 17213147, 51639441]

約数ペア:

[(1, 51639441), (3, 17213147), (7, 7377063), (21, 2459021), (223, 231567), (669, 77189), (1561, 33081), (4683, 11027)]