201972381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139967}}^1$

素因数の和:140020

約数の個数: 16

約数和(自身を含む): 297851904

約数和(自身を除く): 95879523

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 139967, 419901, 1819571, 5178779, 5458713, 15536337, 67324127, 201972381]

約数ペア:

[(1, 201972381), (3, 67324127), (13, 15536337), (37, 5458713), (39, 5178779), (111, 1819571), (481, 419901), (1443, 139967)]