2980271

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 3608064

約数和(自身を除く): 627793

約数列:

[1, 7, 23, 107, 161, 173, 749, 1211, 2461, 3979, 17227, 18511, 27853, 129577, 425753, 2980271]

約数ペア:

[(1, 2980271), (7, 425753), (23, 129577), (107, 27853), (161, 18511), (173, 17227), (749, 3979), (1211, 2461)]