218112831

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{36887}}^1$

素因数の和:36972

約数の個数: 20

約数和(自身を含む): 330295152

約数和(自身を除く): 112182321

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 36887, 110661, 331983, 995949, 2692751, 2987847, 8078253, 24234759, 72704277, 218112831]

約数ペア:

[(1, 218112831), (3, 72704277), (9, 24234759), (27, 8078253), (73, 2987847), (81, 2692751), (219, 995949), (657, 331983), (1971, 110661), (5913, 36887)]