138899523

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{140729}}^1$

素因数の和:140786

約数の個数: 16

約数和(自身を含む): 216161280

約数和(自身を除く): 77261757

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 140729, 422187, 985103, 2955309, 6614263, 19842789, 46299841, 138899523]

約数ペア:

[(1, 138899523), (3, 46299841), (7, 19842789), (21, 6614263), (47, 2955309), (141, 985103), (329, 422187), (987, 140729)]