1820979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 2895360

約数和(自身を除く): 1074381

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 463, 1311, 1389, 3933, 4167, 8797, 10649, 26391, 31947, 79173, 95841, 202331, 606993, 1820979]

約数ペア:

[(1, 1820979), (3, 606993), (9, 202331), (19, 95841), (23, 79173), (57, 31947), (69, 26391), (171, 10649), (207, 8797), (437, 4167), (463, 3933), (1311, 1389)]