7298019

素因数分解:

$3^7\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 11335680

約数和(自身を除く): 4037661

約数列:

[1, 3, 9, 27, 47, 71, 81, 141, 213, 243, 423, 639, 729, 1269, 1917, 2187, 3337, 3807, 5751, 10011, 11421, 17253, 30033, 34263, 51759, 90099, 102789, 155277, 270297, 810891, 2432673, 7298019]

約数ペア:

[(1, 7298019), (3, 2432673), (9, 810891), (27, 270297), (47, 155277), (71, 102789), (81, 90099), (141, 51759), (213, 34263), (243, 30033), (423, 17253), (639, 11421), (729, 10011), (1269, 5751), (1917, 3807), (2187, 3337)]