197804991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{150881}}^1$

素因数の和:150926

約数の個数: 16

約数和(自身を含む): 289693440

約数和(自身を除く): 91888449

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 150881, 452643, 2866739, 3470263, 8600217, 10410789, 65934997, 197804991]

約数ペア:

[(1, 197804991), (3, 65934997), (19, 10410789), (23, 8600217), (57, 3470263), (69, 2866739), (437, 452643), (1311, 150881)]