1207456821

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{2353717}}^1$

素因数の和:2353745

約数の個数: 16

約数和(自身を含む): 1882974400

約数和(自身を除く): 675517579

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 2353717, 7061151, 21183453, 44720623, 63550359, 134161869, 402485607, 1207456821]

約数ペア:

[(1, 1207456821), (3, 402485607), (9, 134161869), (19, 63550359), (27, 44720623), (57, 21183453), (171, 7061151), (513, 2353717)]