2013902919

素因数分解:

$3^4\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{2293}}^1$

素因数の和:3861

約数の個数: 40

約数和(自身を含む): 3441917600

約数和(自身を除く): 1428014681

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1549, 2293, 4647, 6879, 10843, 13941, 16051, 20637, 32529, 41823, 48153, 61911, 97587, 125469, 144459, 185733, 292761, 433377, 878283, 1300131, 3551857, 10655571, 24862999, 31966713, 74588997, 95900139, 223766991, 287700417, 671300973, 2013902919]

約数ペア:

[(1, 2013902919), (3, 671300973), (7, 287700417), (9, 223766991), (21, 95900139), (27, 74588997), (63, 31966713), (81, 24862999), (189, 10655571), (567, 3551857), (1549, 1300131), (2293, 878283), (4647, 433377), (6879, 292761), (10843, 185733), (13941, 144459), (16051, 125469), (20637, 97587), (32529, 61911), (41823, 48153)]