2089989

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 3502080

約数和(自身を除く): 1412091

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 227, 279, 297, 341, 681, 837, 1023, 2043, 2497, 3069, 6129, 7037, 7491, 9207, 21111, 22473, 63333, 67419, 77407, 189999, 232221, 696663, 2089989]

約数ペア:

[(1, 2089989), (3, 696663), (9, 232221), (11, 189999), (27, 77407), (31, 67419), (33, 63333), (93, 22473), (99, 21111), (227, 9207), (279, 7491), (297, 7037), (341, 6129), (681, 3069), (837, 2497), (1023, 2043)]