199974381

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{41897}}^1$

素因数の和:41980

約数の個数: 16

約数和(自身を含む): 280213824

約数和(自身を除く): 80239443

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4773, 41897, 125691, 1550189, 1801571, 4650567, 5404713, 66658127, 199974381]

約数ペア:

[(1, 199974381), (3, 66658127), (37, 5404713), (43, 4650567), (111, 1801571), (129, 1550189), (1591, 125691), (4773, 41897)]