26712651

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{66949}}^1$

素因数の和:66978

約数の個数: 16

約数和(自身を含む): 42848000

約数和(自身を除く): 16135349

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 66949, 200847, 468643, 1272031, 1405929, 3816093, 8904217, 26712651]

約数ペア:

[(1, 26712651), (3, 8904217), (7, 3816093), (19, 1405929), (21, 1272031), (57, 468643), (133, 200847), (399, 66949)]