1889055

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2020

約数の個数: 32

約数和(自身を含む): 3840000

約数和(自身を除く): 1950945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1999, 5997, 9995, 13993, 17991, 29985, 41979, 53973, 69965, 89955, 125937, 209895, 269865, 377811, 629685, 1889055]

約数ペア:

[(1, 1889055), (3, 629685), (5, 377811), (7, 269865), (9, 209895), (15, 125937), (21, 89955), (27, 69965), (35, 53973), (45, 41979), (63, 29985), (105, 17991), (135, 13993), (189, 9995), (315, 5997), (945, 1999)]