54728219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2081}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 71587488

約数和(自身を除く): 16859269

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 1547, 2023, 2081, 3757, 14567, 26299, 27053, 35377, 189371, 247639, 459901, 601409, 3219307, 4209863, 7818317, 54728219]

約数ペア:

[(1, 54728219), (7, 7818317), (13, 4209863), (17, 3219307), (91, 601409), (119, 459901), (221, 247639), (289, 189371), (1547, 35377), (2023, 27053), (2081, 26299), (3757, 14567)]