12122703

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7877}}^1$

素因数の和:7908

約数の個数: 20

約数和(自身を含む): 19064760

約数和(自身を除く): 6942057

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7877, 23631, 70893, 149663, 212679, 448989, 638037, 1346967, 4040901, 12122703]

約数ペア:

[(1, 12122703), (3, 4040901), (9, 1346967), (19, 638037), (27, 448989), (57, 212679), (81, 149663), (171, 70893), (513, 23631), (1539, 7877)]