128698983

素因数分解:

$3^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1307}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 218488320

約数和(自身を除く): 89789337

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 521, 1307, 1563, 3647, 3921, 4689, 9149, 10941, 11763, 14067, 27447, 32823, 35289, 82341, 98469, 247023, 680947, 2042841, 4766629, 6128523, 14299887, 18385569, 42899661, 128698983]

約数ペア:

[(1, 128698983), (3, 42899661), (7, 18385569), (9, 14299887), (21, 6128523), (27, 4766629), (63, 2042841), (189, 680947), (521, 247023), (1307, 98469), (1563, 82341), (3647, 35289), (3921, 32823), (4689, 27447), (9149, 14067), (10941, 11763)]