19991567241

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{7109}}^1\times {\mathrm{7621}}^1$

素因数の和:14777

約数の個数: 24

約数和(自身を含む): 29589061320

約数和(自身を除く): 9597494079

約数列:

[1, 3, 9, 41, 123, 369, 7109, 7621, 21327, 22863, 63981, 68589, 291469, 312461, 874407, 937383, 2623221, 2812149, 54177689, 162533067, 487599201, 2221285249, 6663855747, 19991567241]

約数ペア:

[(1, 19991567241), (3, 6663855747), (9, 2221285249), (41, 487599201), (123, 162533067), (369, 54177689), (7109, 2812149), (7621, 2623221), (21327, 937383), (22863, 874407), (63981, 312461), (68589, 291469)]