2858909985

素因数分解:

$3^4\times 5^1\times {\mathrm{7059037}}^1$

素因数の和:7059054

約数の個数: 20

約数和(自身を含む): 5124861588

約数和(自身を除く): 2265951603

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7059037, 21177111, 35295185, 63531333, 105885555, 190593999, 317656665, 571781997, 952969995, 2858909985]

約数ペア:

[(1, 2858909985), (3, 952969995), (5, 571781997), (9, 317656665), (15, 190593999), (27, 105885555), (45, 63531333), (81, 35295185), (135, 21177111), (405, 7059037)]