128656485

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4789}}^1$

素因数の和:5002

約数の個数: 32

約数和(自身を含む): 229920000

約数和(自身を除く): 101263515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1791, 2985, 4789, 5373, 8955, 14367, 23945, 26865, 43101, 71835, 129303, 215505, 646515, 953011, 2859033, 4765055, 8577099, 14295165, 25731297, 42885495, 128656485]

約数ペア:

[(1, 128656485), (3, 42885495), (5, 25731297), (9, 14295165), (15, 8577099), (27, 4765055), (45, 2859033), (135, 953011), (199, 646515), (597, 215505), (995, 129303), (1791, 71835), (2985, 43101), (4789, 26865), (5373, 23945), (8955, 14367)]