201994535781

素因数分解:

$3^4\times {\mathrm{3739}}^1\times {\mathrm{666959}}^1$

素因数の和:670710

約数の個数: 20

約数和(自身を含む): 301826078400

約数和(自身を除く): 99831542619

約数列:

[1, 3, 9, 27, 81, 3739, 11217, 33651, 100953, 302859, 666959, 2000877, 6002631, 18007893, 54023679, 2493759701, 7481279103, 22443837309, 67331511927, 201994535781]

約数ペア:

[(1, 201994535781), (3, 67331511927), (9, 22443837309), (27, 7481279103), (81, 2493759701), (3739, 54023679), (11217, 18007893), (33651, 6002631), (100953, 2000877), (302859, 666959)]