128323251

素因数分解:

$3^3\times 7^1\times {\mathrm{678959}}^1$

素因数の和:678975

約数の個数: 16

約数和(自身を含む): 217267200

約数和(自身を除く): 88943949

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 678959, 2036877, 4752713, 6110631, 14258139, 18331893, 42774417, 128323251]

約数ペア:

[(1, 128323251), (3, 42774417), (7, 18331893), (9, 14258139), (21, 6110631), (27, 4752713), (63, 2036877), (189, 678959)]