263241321

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{37871}}^1$

素因数の和:38212

約数の個数: 16

約数和(自身を含む): 402352128

約数和(自身を除く): 139110807

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 37871, 113613, 265097, 795291, 12535301, 37605903, 87747107, 263241321]

約数ペア:

[(1, 263241321), (3, 87747107), (7, 37605903), (21, 12535301), (331, 795291), (993, 265097), (2317, 113613), (6951, 37871)]