28374975

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 52695040

約数和(自身を除く): 24320065

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 225, 331, 381, 635, 675, 993, 1143, 1655, 1905, 2979, 3175, 3429, 4965, 5715, 8275, 8937, 9525, 14895, 17145, 24825, 28575, 42037, 44685, 74475, 85725, 126111, 210185, 223425, 378333, 630555, 1050925, 1134999, 1891665, 3152775, 5674995, 9458325, 28374975]

約数ペア:

[(1, 28374975), (3, 9458325), (5, 5674995), (9, 3152775), (15, 1891665), (25, 1134999), (27, 1050925), (45, 630555), (75, 378333), (127, 223425), (135, 210185), (225, 126111), (331, 85725), (381, 74475), (635, 44685), (675, 42037), (993, 28575), (1143, 24825), (1655, 17145), (1905, 14895), (2979, 9525), (3175, 8937), (3429, 8275), (4965, 5715)]