1268379

素因数分解:

$3^4\times 7^1\times {\mathrm{2237}}^1$

素因数の和:2256

約数の個数: 20

約数和(自身を含む): 2166384

約数和(自身を除く): 898005

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2237, 6711, 15659, 20133, 46977, 60399, 140931, 181197, 422793, 1268379]

約数ペア:

[(1, 1268379), (3, 422793), (7, 181197), (9, 140931), (21, 60399), (27, 46977), (63, 20133), (81, 15659), (189, 6711), (567, 2237)]