2880821781

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1871879}}^1$

素因数の和:1871910

約数の個数: 20

約数和(自身を含む): 4529949600

約数和(自身を除く): 1649127819

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1871879, 5615637, 16846911, 35565701, 50540733, 106697103, 151622199, 320091309, 960273927, 2880821781]

約数ペア:

[(1, 2880821781), (3, 960273927), (9, 320091309), (19, 151622199), (27, 106697103), (57, 50540733), (81, 35565701), (171, 16846911), (513, 5615637), (1539, 1871879)]