783394983

素因数分解:

$3^4\times 7^1\times {\mathrm{1381649}}^1$

素因数の和:1381668

約数の個数: 20

約数和(自身を含む): 1337437200

約数和(自身を除く): 554042217

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1381649, 4144947, 9671543, 12434841, 29014629, 37304523, 87043887, 111913569, 261131661, 783394983]

約数ペア:

[(1, 783394983), (3, 261131661), (7, 111913569), (9, 87043887), (21, 37304523), (27, 29014629), (63, 12434841), (81, 9671543), (189, 4144947), (567, 1381649)]