138959631

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{15739}}^1$

素因数の和:15860

約数の個数: 20

約数和(自身を含む): 209499400

約数和(自身を除く): 70539769

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 15739, 47217, 141651, 424953, 1274859, 1715551, 5146653, 15439959, 46319877, 138959631]

約数ペア:

[(1, 138959631), (3, 46319877), (9, 15439959), (27, 5146653), (81, 1715551), (109, 1274859), (327, 424953), (981, 141651), (2943, 47217), (8829, 15739)]