1289276787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{28309}}^1$

素因数の和:28395

約数の個数: 32

約数和(自身を含む): 1956787200

約数和(自身を除く): 667510413

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 323, 799, 893, 969, 2397, 2679, 15181, 28309, 45543, 84927, 481253, 537871, 1330523, 1443759, 1613613, 3991569, 9143807, 22618891, 25279937, 27431421, 67856673, 75839811, 429758929, 1289276787]

約数ペア:

[(1, 1289276787), (3, 429758929), (17, 75839811), (19, 67856673), (47, 27431421), (51, 25279937), (57, 22618891), (141, 9143807), (323, 3991569), (799, 1613613), (893, 1443759), (969, 1330523), (2397, 537871), (2679, 481253), (15181, 84927), (28309, 45543)]