20155725153

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{521669}}^1$

素因数の和:521740

約数の個数: 28

約数和(自身を含む): 30790006740

約数和(自身を除く): 10634281587

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 729, 1431, 4293, 12879, 38637, 521669, 1565007, 4695021, 14085063, 27648457, 42255189, 82945371, 126765567, 248836113, 380296701, 746508339, 2239525017, 6718575051, 20155725153]

約数ペア:

[(1, 20155725153), (3, 6718575051), (9, 2239525017), (27, 746508339), (53, 380296701), (81, 248836113), (159, 126765567), (243, 82945371), (477, 42255189), (729, 27648457), (1431, 14085063), (4293, 4695021), (12879, 1565007), (38637, 521669)]