2788804971

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1812089}}^1$

素因数の和:1812120

約数の個数: 20

約数和(自身を含む): 4385257800

約数和(自身を除く): 1596452829

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1812089, 5436267, 16308801, 34429691, 48926403, 103289073, 146779209, 309867219, 929601657, 2788804971]

約数ペア:

[(1, 2788804971), (3, 929601657), (9, 309867219), (19, 146779209), (27, 103289073), (57, 48926403), (81, 34429691), (171, 16308801), (513, 5436267), (1539, 1812089)]