8172981

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 40

約数和(自身を含む): 13172544

約数和(自身を除く): 4999563

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 107, 123, 207, 321, 369, 621, 943, 963, 1107, 1863, 2461, 2829, 2889, 3321, 4387, 7383, 8487, 8667, 13161, 22149, 25461, 39483, 66447, 76383, 100901, 118449, 199341, 302703, 355347, 908109, 2724327, 8172981]

約数ペア:

[(1, 8172981), (3, 2724327), (9, 908109), (23, 355347), (27, 302703), (41, 199341), (69, 118449), (81, 100901), (107, 76383), (123, 66447), (207, 39483), (321, 25461), (369, 22149), (621, 13161), (943, 8667), (963, 8487), (1107, 7383), (1863, 4387), (2461, 3321), (2829, 2889)]