85975407

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2129}}^1$

素因数の和:2783

約数の個数: 24

約数和(自身を含む): 142215840

約数和(自身を除く): 56240433

約数列:

[1, 3, 7, 9, 21, 63, 641, 1923, 2129, 4487, 5769, 6387, 13461, 14903, 19161, 40383, 44709, 134127, 1364689, 4094067, 9552823, 12282201, 28658469, 85975407]

約数ペア:

[(1, 85975407), (3, 28658469), (7, 12282201), (9, 9552823), (21, 4094067), (63, 1364689), (641, 134127), (1923, 44709), (2129, 40383), (4487, 19161), (5769, 14903), (6387, 13461)]