25669581

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 42375168

約数和(自身を除く): 16705587

約数列:

[1, 3, 7, 21, 31, 43, 49, 93, 129, 131, 147, 217, 301, 393, 651, 903, 917, 1333, 1519, 2107, 2751, 3999, 4061, 4557, 5633, 6321, 6419, 9331, 12183, 16899, 19257, 27993, 28427, 39431, 65317, 85281, 118293, 174623, 195951, 198989, 276017, 523869, 596967, 828051, 1222361, 3667083, 8556527, 25669581]

約数ペア:

[(1, 25669581), (3, 8556527), (7, 3667083), (21, 1222361), (31, 828051), (43, 596967), (49, 523869), (93, 276017), (129, 198989), (131, 195951), (147, 174623), (217, 118293), (301, 85281), (393, 65317), (651, 39431), (903, 28427), (917, 27993), (1333, 19257), (1519, 16899), (2107, 12183), (2751, 9331), (3999, 6419), (4061, 6321), (4557, 5633)]