7920861

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 12121920

約数和(自身を除く): 4201059

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 919, 2757, 2873, 8619, 11947, 15623, 35841, 46869, 155311, 203099, 465933, 609297, 2640287, 7920861]

約数ペア:

[(1, 7920861), (3, 2640287), (13, 609297), (17, 465933), (39, 203099), (51, 155311), (169, 46869), (221, 35841), (507, 15623), (663, 11947), (919, 8619), (2757, 2873)]