180185859

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40283}}^1$

素因数の和:40367

約数の個数: 24

約数和(自身を含む): 301646592

約数和(自身を除く): 121460733

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 40283, 120849, 281981, 362547, 845943, 2537829, 2860093, 8580279, 20020651, 25740837, 60061953, 180185859]

約数ペア:

[(1, 180185859), (3, 60061953), (7, 25740837), (9, 20020651), (21, 8580279), (63, 2860093), (71, 2537829), (213, 845943), (497, 362547), (639, 281981), (1491, 120849), (4473, 40283)]