17913231

素因数分解:

$3^5\times 7^1\times {\mathrm{10531}}^1$

素因数の和:10553

約数の個数: 24

約数和(自身を含む): 30669184

約数和(自身を除く): 12755953

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 10531, 31593, 73717, 94779, 221151, 284337, 663453, 853011, 1990359, 2559033, 5971077, 17913231]

約数ペア:

[(1, 17913231), (3, 5971077), (7, 2559033), (9, 1990359), (21, 853011), (27, 663453), (63, 284337), (81, 221151), (189, 94779), (243, 73717), (567, 31593), (1701, 10531)]