3128889281

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 3740909568

約数和(自身を除く): 612020287

約数列:

[1, 7, 43, 73, 131, 301, 511, 917, 1087, 3139, 5633, 7609, 9563, 21973, 39431, 46741, 66941, 79351, 142397, 327187, 411209, 555457, 996779, 2878463, 3412093, 6123071, 10394981, 23884651, 42861497, 72764867, 446984183, 3128889281]

約数ペア:

[(1, 3128889281), (7, 446984183), (43, 72764867), (73, 42861497), (131, 23884651), (301, 10394981), (511, 6123071), (917, 3412093), (1087, 2878463), (3139, 996779), (5633, 555457), (7609, 411209), (9563, 327187), (21973, 142397), (39431, 79351), (46741, 66941)]