1885689

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 2987712

約数和(自身を除く): 1102023

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 227, 639, 681, 923, 2043, 2769, 2951, 8307, 8853, 16117, 26559, 48351, 145053, 209521, 628563, 1885689]

約数ペア:

[(1, 1885689), (3, 628563), (9, 209521), (13, 145053), (39, 48351), (71, 26559), (117, 16117), (213, 8853), (227, 8307), (639, 2951), (681, 2769), (923, 2043)]