28314279

素因数分解:

$3^4\times 7^1\times {\mathrm{49937}}^1$

素因数の和:49956

約数の個数: 20

約数和(自身を含む): 48339984

約数和(自身を除く): 20025705

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49937, 149811, 349559, 449433, 1048677, 1348299, 3146031, 4044897, 9438093, 28314279]

約数ペア:

[(1, 28314279), (3, 9438093), (7, 4044897), (9, 3146031), (21, 1348299), (27, 1048677), (63, 449433), (81, 349559), (189, 149811), (567, 49937)]