1891796391

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{1877}}^1$

素因数の和:2453

約数の個数: 40

約数和(自身を含む): 2955911904

約数和(自身を除く): 1064115513

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 541, 621, 1623, 1863, 1877, 4869, 5631, 12443, 14607, 16893, 37329, 43171, 43821, 50679, 111987, 129513, 152037, 335961, 388539, 1007883, 1015457, 1165617, 3046371, 3496851, 9139113, 23355511, 27417339, 70066533, 82252017, 210199599, 630598797, 1891796391]

約数ペア:

[(1, 1891796391), (3, 630598797), (9, 210199599), (23, 82252017), (27, 70066533), (69, 27417339), (81, 23355511), (207, 9139113), (541, 3496851), (621, 3046371), (1623, 1165617), (1863, 1015457), (1877, 1007883), (4869, 388539), (5631, 335961), (12443, 152037), (14607, 129513), (16893, 111987), (37329, 50679), (43171, 43821)]