1268991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 1987440

約数和(自身を除く): 718449

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 181, 369, 543, 779, 1629, 2337, 3439, 7011, 7421, 10317, 22263, 30951, 66789, 140999, 422997, 1268991]

約数ペア:

[(1, 1268991), (3, 422997), (9, 140999), (19, 66789), (41, 30951), (57, 22263), (123, 10317), (171, 7421), (181, 7011), (369, 3439), (543, 2337), (779, 1629)]