12647421

素因数分解:

$3^7\times {\mathrm{5783}}^1$

素因数の和:5804

約数の個数: 16

約数和(自身を含む): 18971520

約数和(自身を除く): 6324099

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 5783, 17349, 52047, 156141, 468423, 1405269, 4215807, 12647421]

約数ペア:

[(1, 12647421), (3, 4215807), (9, 1405269), (27, 468423), (81, 156141), (243, 52047), (729, 17349), (2187, 5783)]