138806721

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{1789}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 206916840

約数和(自身を除く): 68110119

約数列:

[1, 3, 9, 37, 111, 233, 333, 699, 1789, 2097, 5367, 8621, 16101, 25863, 66193, 77589, 198579, 416837, 595737, 1250511, 3751533, 15422969, 46268907, 138806721]

約数ペア:

[(1, 138806721), (3, 46268907), (9, 15422969), (37, 3751533), (111, 1250511), (233, 595737), (333, 416837), (699, 198579), (1789, 77589), (2097, 66193), (5367, 25863), (8621, 16101)]