1901799

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 20

約数和(自身を含む): 2901096

約数和(自身を除く): 999297

約数列:

[1, 3, 9, 27, 53, 81, 159, 443, 477, 1329, 1431, 3987, 4293, 11961, 23479, 35883, 70437, 211311, 633933, 1901799]

約数ペア:

[(1, 1901799), (3, 633933), (9, 211311), (27, 70437), (53, 35883), (81, 23479), (159, 11961), (443, 4293), (477, 3987), (1329, 1431)]