2840823

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 4446000

約数和(自身を除く): 1605177

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 449, 703, 1347, 2109, 4041, 6327, 8531, 16613, 25593, 49839, 76779, 149517, 315647, 946941, 2840823]

約数ペア:

[(1, 2840823), (3, 946941), (9, 315647), (19, 149517), (37, 76779), (57, 49839), (111, 25593), (171, 16613), (333, 8531), (449, 6327), (703, 4041), (1347, 2109)]