1978778859

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{2383}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 2784359424

約数和(自身を除く): 805580565

約数列:

[1, 3, 41, 43, 123, 129, 157, 471, 1763, 2383, 5289, 6437, 6751, 7149, 19311, 20253, 97703, 102469, 276791, 293109, 307407, 374131, 830373, 1122393, 4201229, 12603687, 15339371, 16087633, 46018113, 48262899, 659592953, 1978778859]

約数ペア:

[(1, 1978778859), (3, 659592953), (41, 48262899), (43, 46018113), (123, 16087633), (129, 15339371), (157, 12603687), (471, 4201229), (1763, 1122393), (2383, 830373), (5289, 374131), (6437, 307407), (6751, 293109), (7149, 276791), (19311, 102469), (20253, 97703)]