26563551

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 43253760

約数和(自身を除く): 16690209

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 903, 989, 1279, 2967, 3837, 6923, 8953, 20769, 26859, 29417, 54997, 88251, 164991, 205919, 384979, 617757, 1154937, 1264931, 3794793, 8854517, 26563551]

約数ペア:

[(1, 26563551), (3, 8854517), (7, 3794793), (21, 1264931), (23, 1154937), (43, 617757), (69, 384979), (129, 205919), (161, 164991), (301, 88251), (483, 54997), (903, 29417), (989, 26859), (1279, 20769), (2967, 8953), (3837, 6923)]