27806079

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 17699073

約数列:

[1, 3, 7, 21, 43, 49, 53, 83, 129, 147, 159, 249, 301, 371, 581, 903, 1113, 1743, 2107, 2279, 2597, 3569, 4067, 4399, 6321, 6837, 7791, 10707, 12201, 13197, 15953, 24983, 30793, 47859, 74949, 92379, 111671, 174881, 189157, 215551, 335013, 524643, 567471, 646653, 1324099, 3972297, 9268693, 27806079]

約数ペア:

[(1, 27806079), (3, 9268693), (7, 3972297), (21, 1324099), (43, 646653), (49, 567471), (53, 524643), (83, 335013), (129, 215551), (147, 189157), (159, 174881), (249, 111671), (301, 92379), (371, 74949), (581, 47859), (903, 30793), (1113, 24983), (1743, 15953), (2107, 13197), (2279, 12201), (2597, 10707), (3569, 7791), (4067, 6837), (4399, 6321)]