81508278

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{21193}}^1$

素因数の和:21839

約数の個数: 16

約数和(自身を含む): 163278576

約数和(自身を除く): 81770298

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 21193, 42386, 63579, 127158, 13584713, 27169426, 40754139, 81508278]

約数ペア:

[(1, 81508278), (2, 40754139), (3, 27169426), (6, 13584713), (641, 127158), (1282, 63579), (1923, 42386), (3846, 21193)]