28089909

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1451}}^1$

素因数の和:1702

約数の個数: 20

約数和(自身を含む): 42166080

約数和(自身を除く): 14076171

約数列:

[1, 3, 9, 27, 81, 239, 717, 1451, 2151, 4353, 6453, 13059, 19359, 39177, 117531, 346789, 1040367, 3121101, 9363303, 28089909]

約数ペア:

[(1, 28089909), (3, 9363303), (9, 3121101), (27, 1040367), (81, 346789), (239, 117531), (717, 39177), (1451, 19359), (2151, 13059), (4353, 6453)]