128580491427

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{640153}}^1$

素因数の和:640291

約数の個数: 32

約数和(自身を含む): 185839266816

約数和(自身を除く): 57258775389

約数列:

[1, 3, 23, 41, 69, 71, 123, 213, 943, 1633, 2829, 2911, 4899, 8733, 66953, 200859, 640153, 1920459, 14723519, 26246273, 44170557, 45450863, 78738819, 136352589, 603664279, 1045369849, 1810992837, 1863485383, 3136109547, 5590456149, 42860163809, 128580491427]

約数ペア:

[(1, 128580491427), (3, 42860163809), (23, 5590456149), (41, 3136109547), (69, 1863485383), (71, 1810992837), (123, 1045369849), (213, 603664279), (943, 136352589), (1633, 78738819), (2829, 45450863), (2911, 44170557), (4899, 26246273), (8733, 14723519), (66953, 1920459), (200859, 640153)]