28926747

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{9829}}^1$

素因数の和:9947

約数の個数: 16

約数和(自身を含む): 43252000

約数和(自身を除く): 14325253

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 9829, 29487, 88461, 265383, 1071361, 3214083, 9642249, 28926747]

約数ペア:

[(1, 28926747), (3, 9642249), (9, 3214083), (27, 1071361), (109, 265383), (327, 88461), (981, 29487), (2943, 9829)]